I dont have any velocity data, but I did run a couple loads with . The IMR brand was first introduced under DuPont in the 1930s. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. Soft Point: . 8mmmaghunter Member. I've been working on trying to get my 338 to shoot better. calibers in the late 90's. The N550 is an ideal fit for many of the 30 caliber magnums with lighter bullets, but also useful across a wide range of bore sizes in various shooting disciplines. Vihtavuori's N550 rifle powder was originally developed for .30-06 Springfield and .308 Win. Improved Military Rifle IMR 8208 XBR. Magnum and .338 Lapua. It seemed to me Hodgdon was more aggressive with the max load when comparing to other loads and in my case is sure was. Keying in on the PRC's role as a big-game cartridge, I concentrated on loads with high-BC bullets. . Lapua FMJ: 2856.44: Consistent: 45 grains 4166: 123 gr. Every week of WW II, as many munitions were used as in all of WW I. The IMR brand was created under the DuPont Corporation. Lapua's Scenar-L bullet is the result of decades of experience and state of the art manufacturing capabilities combined with extensive testing. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. I had no luck with my factory RPR barrel. IMR 7977 is comparable to Hodgdon H1000. For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. Warning; Manufacturer Loading Data; Cartrige Powder Recommendations; . Using bullets from Barnes TTSX, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Barnes TTSX BT, Swift SP, Sierra HPBT. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Calibers range from .22 to 9.362, and our most well-known bullets are Scenar and Scenar-L match projectiles and Naturalis and Mega hunting bullets. Good luck with the new set up. h4895 Reduced Rifle Load. Reviews can only be submitted while being logged in. Loading density is perfect for magnums, contributing to superb uniformity. Regarding primer choice for the .300 Norma Magnum, you'll most definitely want a good large rifle magnum primer to ignite that powder column, especially since powder charges can exceed 90 grains. The Hornady 143-grain ELD-X, Nosler 142-grain ABLR, Berger Classic Hunter, and Berger Hybrid Target bullets all . JavaScript is disabled. Shellholders: Hornady #43. Just tagging in, I'm curious what folks say about 7977. for a 338 lapua RL33 is going to be hard to beat . mdslammer Sergeant. Loading density is ideal for magnums, filling the case nicely at . The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Scenar-L has truly earned its . Reply. I myself have been shooting Sierra 300gr with H1000. online shopping has now taking into account a long way; it has untouched the quirk consumers and entrepreneurs reach issue today. It's hard to pick favorites, but for powders, IMR 8133 was a standout with almost all loads tested in my rifle. It'll generate more velocity but it shoots well at 2800. For powder I like IMR 7828 and scored 2 lbs of the IRM7828scc. Loading density is perfect for magnums, contributing to superb uniformity. In doing so, we deal with integrity and honesty . I love it! Thread starter jmden; Start date Feb 1, 2015; Feb 1, 2015 #1 jmden Well-known member . I hope this shows how valuable quickload can be . Bullets. IMR Enduron 7977 is a slower burn rate in the Enduron family. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Hey guys, does anybody have any IMR 7977- 338LM data? With 285 ELDs I hit hard lift at 91 grain. . so I checked it out a bit more. 7977 uses almost exactly the same data as H1000 with very similar speeds. I wouldn't say it's a better alternative - it's on the slow side. Vihtavuori N550 - powerful loads for hunting. YMMV. IMR 7828SSC 93.8 3201 104.3C 3583 *Magnum 104.6 3336 116.2C 3670 338 Lapua Magnum Suggested Bullet Use 185-grain TTSX BT Sectional Density .231 Ballistic Coefficient .432 C.O.A.L 3.600" uggested ullet se Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. Each of these are still favorites with handloaders today! Improved Military Rifle IMR 7977. It may not display this or other websites correctly. IMR Enduron 7977 is a slower burn rate in the Enduron family. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. if anyone is interested i did the same process with the IMR 4451 powder in my 6.5x47 lapua for which there is no published data for this powder. You are using an out of date browser. . IMR 7977 powder is a magnum propellant with the slowest burn rate of the Enduron powders. Loading density is perfect for magnums, contributing to superb uniformity. . 26.0 inch = 660.4 mm Predicted Data for Indicated Charges of the Following Powders. The slowest burn rate Enduron Technology extruded powder and a true magnum cartridge propellant. The COAL is measured from the base of the case to the tip of the bullet. Ramshot Hunter. I understand this is an old thread, but want to reply anyway. In the Hodgdon manual it has the best velocity in a 338 Lapua of any of the powders they tested at 93g at 2688 fps. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. IMR is a brand in the Hodgdon Powder Company lineup. it takes all the guess work out of the "what if " questions we reloaders have . Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". Posted by marcus john tweddell on Mar 3rd 2021. have used this powder in a .270 wsm useing the Hornady 150 grain SSTwith the exact load as HODGDON recomends and found it accurate and takeing large red deer out to 500 meters with ease. IMR 7977 Enduron . After barrel break-in, I ordered up a set of custom whidden dies and started loading the following: Bullets: 300 gr. Improved Military Rifle IMR 8133. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. Load Specifics. Im hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. .338 Lapua Magnum (using Sierra bullets) Warning! I have H1000 which I have tried with no luck. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. We place limited powder inventory for sale on a regular basis on our website. Reply. Find load data for IMR 4064 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. That's suprising. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. Went to Cabela's Saturday and scored 100 rounds of Hornady 285 grn BTHP. so as always start low and work up . We do not take backorders and our Tech Services team cannot take orders via email or phone. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. these would be considered max powder charges . US 869. Submitted Loading Recipes Show all Submitted Loading Recipes Tipstrike Experiment in 7x66 Vom Hofe Preparing 204 Ruger Norma Brass . Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. The store will not work correctly in the case when cookies are disabled. Thanks, but I prefer shooting .300 Bergers. Ramshot Big Game. In this video we discuss reloading the Savage 110 BA stealth in 338 Lapua Magnum. for a 338 lapua RL33 is going to be hard to beat . have used this powder in a .270 wsm useing the Hornady 150 grain SSTwith the exact load as HODGDON recomends and found it accurate and takeing large red deer out to 500 meters with ease. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. During this time of overwhelming demand, our team is doing everything possible to produce more bullets and ammo than ever before. Be the first to share your insights. These loads were shot by Brian Pearce of Wolfe Publishing Co. JavaScript is disabled. IMR 7977 are couple more options. IMR 7977. Reactions: Evlshnngns. 338 Lapua Magnum Reloading Data | Berger Bullets. We offer a wide variety of cases and bullets for hunting, sport shooting, target and tactical purposes. I'll check with him and PM you if you dont mind. For a better experience, please enable JavaScript in your browser before proceeding. Share your experiences with other customers. RCBS #14. They're all having good results. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. . New customer? The 6.5 mm Creedmoor (top.) Enduron Technology extruded powder with the slowest burn rate, IMR 7977 in stock now for sale online near me, is a true magnum cartridge propellant. I've had good success with 7977 in the 338 Lapua with 300g Bergers. Find A Dealer. Minuteman. The maxorder quantity of any powder SKU is. I just bought the newest update Dec 2016 , it cost about $22 shipped to my door . Bottom line, I like it so far. Shellholders: Hornady #5. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. IMR Enduron 7977 is a slower burn rate in the Enduron family. You must log in or register to reply here. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. He's not a precision guy and only shoots to 600. .338 Winchester Magnum - Published Manufacturer Loading Data. H1000 is supposed to be extremely close to IMR 7977. . N. ntg . With 7977 I discern no difference between CCI 250 or Fed 215 . Magnum, .300 Win. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing . IMR Enduron 7977. for stuff like this it is worth double the price . I paid about $160 for it originally , and have bought many updates over the years . The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. Hodgdon Powder Company operates following Biblical principles to honor God. In addition to the 6.5x55 mm Swedish, the Sauer 404 is chambered in 15 other . Jim, I understand this is an old thread, but want to reply anyway. Reloading- What pressure signs do you stop at. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. I picked up some IMR 7977 to try some different bullet/powder combos but Im not finding much data. Hornady ELD-M; Primer: 215M; Brass: Lapua; Powders: H1000 & IMR 7977; I have messed with seating depth loading all the way up into the lands and then backing my bullet out all the way to thirty . Some 7977 load data here. For this reason, the IMR brand powders truly are Legendary products. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. here is the powder chart . Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Really consistently accurate results. Powders include IMR, Hodgdon, Winchester 123 gr. I have H1000 which I have tried with no luck. to 90 gr. I love Hodgdon, but I think 97gr is dangerous in most 250 class bullets. With the bullets touching the lands 69 grains gave me an average velocity of 3140 ft/sec.. When will it be back in stock? If anybody would like to share their load data using IMR 8133, I would be very grateful. Full Member. *Recommended Powder C Compressed Load 2 . We appreciate your patience and continued support! 160 gr. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. The Best Hunting Bullets for the 338 Lapua Mag. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. Very fast flat shooting powder. We place limited powder inventory for sale on a regular basis on our website. Have been looking at the 7977 for my 270 with the Matrix bullets. IMR 7977 for the 300 win mag . if you're serious about reloading and shooting I really recommend it . The IMR series of powder is trusted by reloaders all over the world and is suitable for a wide range of reloading applications. Thanks fellas. . Ordered a LRI barrel after giving up. Cabelas in Wheeling had the new powder in stock last Saturday. is essentially the 6.5 mm Swede (btm.) then I can get a powder chart from fastest velocity to slowest velocity . holds 78.6 grains of water, which means the Nosler has a 12 percent increase in case volume while maintaining the same 3.340-inch overall cartridge length. Used same loads as 4350 and RL17. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. I get 2800 fps with a 300g Berger in my 30 inch barrel. Gun: Savage Model 110 BA; Barrel Length: 26 inches; 1-in-9-inch twist; Case: Lapua; Primer: Federal 215 Large Rifle Magnum; Bullet Diameter: .338 inch; Maximum COAL: 3.681 inches; Maximum Case Length: 2.724 inches; Trim to Length: 2.714 inches. IMR 4166 possesses the fastest burn rate in the Enduron lineup. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Consistent performance . Improved Military Rifle IMR 7977. I too am interested. IMR Enduron 7977 is a slower burn rate in the Enduron family. DuPont founded the company. it should give the highest velocity without showing signs of over pressure . Recipe Type: Rifle . For the best experience on our site, be sure to turn on Javascript in your browser. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Subscribe to the free newsletter and do not miss any news or promotions. Lee #5. . either expressed or implied is assumed for the use of this data. * All prices incl. 7977 IMR Enduron Powder; 4166 . The components I currently have are VihtVuori N560 Powder and Sierra 250 Game king & Sierra 300 Match King bullets. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. This testing was with Hornady 285 ELD-M with Alliant Reloder 26. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . Predicted Data for Indicated Charges of the Following Powders. Berger Elite Hunter & 285 gr. MTH ( standard, not single feed version. The IMR Enduron Powder load data published by this website is intended discussion . For more information, go towww.P65Warnings.ca.gov. I tried H1000, IMR7977, and 4891 with 4 different bullet combos. For the best experience on our site, be sure to turn on Javascript in your browser. We use cookies to make your experience better. 338 Lapua Mag - 265 grain Version 9.0 24" H-S Prec. Reloading data for 338 Lapua Magnum. For example, berger lists 90gr of H1000 as the max charge. US 869 is a 50 BMG propellant that offers significant advantages in many magnum rifle applications! IMR 7977 90.0 MAX. I had been using Hornady 250grn BTHP and have been unable to obtain. Reloading- What pressure signs do you stop at. 2825 91.0 * 2754 89.0 2684 . Retumbo was 94g at 2654fps. For a better experience, please enable JavaScript in your browser before proceeding. Gun: Savage Model 110 BA; Barrel Length: 26 inches; 1-in-9-inch twist; Case: Lapua; Primer: Federal 215 Large Rifle Magnum; Bullet Diameter: .338 inch; Maximum COAL: 3.681 inches; Maximum Case Length: 2.724 inches; Trim to Length: 2.714 inches. Bullet: Nosler BST 200 gr: Bullet weight: 13 g / 200 gr: B.C: 0.414: C.O.L: 92.0 mm / 3.622 # 33200: Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: . I'm not very computer savy , so if I can figure out how to use it , anyone can . In fact, E. I. duPont arrived in America in 1800 determined to make an improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder). These loads were shot by Brian Pearce of Wolfe Publishing Co. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Our component offering includes cases and bullets for both centerfire rifle and handgun. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. JavaScript seems to be disabled in your browser. IMR Enduron 7977 is a slower burn rate in the Enduron family. Ac c uB ond Lo n g R an g e 0 .7 3 2 .338 Lapua Magnum (Hodgdon Data) reloading data with 170 loads. I have 4 shooting buddies that run RPR's. Jun 3, 2010 202 11 Las Vegas . Loading Data . Sierra SBT COAL: 3.575 inches; Sierra HPBT MatchKing COAL: 3.680 inches. Ok, but just to give you some perspective You must log in or register to reply here. imr 7977 load data 338 lapuathe renaissance apartments chicago. 2796 88.0 * 2712 86.0 2628 H1000 93.0 MAX. Our mission is to provide quality products and services in a manner which enhances the lives of our employees, familes, customers, suppliers, and our communities. Ill be going to 338 LM AI and shoot 300gr Bergers. Reduced Rifle Loads. I used a 26" bbl , my rifle has a 30" bbl . Hogdon's 2015 annual load manual has data and some good articles on them. Cartridge Comparisons. Loading density is perfect for magnums, nicely filling the case at maximum charges . With H1000 being harder to find recently I am going to try the 7977 with both the 300Gr and some 250Gr Bergers. Charge weights are nearly identical to H1000, which i understand 7977 is supposed to be similar too. 26. I shot five rounds and at 100 yards and I got a group that was less than 3/4 of an inch. VihtaVuori N150. Loading density is perfect for magnums, contributing to superb uniformity. Hey guys, does anybody have any IMR 7977- 338LM data? Comprehensive load data for IMR 7977 Enduron reloading powder und technical specifications for this propellant. More about this powder: IMR Enduron 7977 is a slower burn rate in the Enduron family. Inkognito. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. 338 Lapua Magnum; 338 Remington Ultra Magnum; 338 Winchester Magnum; 338-06 A-Square; 338-378 Weatherby Magnum; 340 Weatherby Magnum; 35 Whelen; 350 Remington Magnum; 375 Flanged; 375 H&H Magnum; 375 Remington Ultra Magnum; 375 Weatherby Magnum; 378 Weatherby Magnum; 40 S&W; 404 Jeffery; 416 Remington Magnum; 416 Rigby; 45 Auto (ACP) 450 Rigby . One of the guys may want it. US869 is a dense propellant that allows the shooter to use enough powder to create maximum velocities in cartridges such as the 7mm . This website uses cookies to ensure the best experience possible. Let me know if you want to sell the barrel. Be Alert: Publisher cannot be responsible for errors in published load data. When we are sold out, we are sold out. To put that in perspective, the 338 Win. Most of my guns will not shoot a tight group without some. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 . It hasn't wiped out the idea of shopping in a being store, but it gave the consumers an swap means to shop and a better announce that . I'm using H100 with 300 gr and it's very accurate. It may not display this or other websites correctly. Just for comparison's sake, the 338 Federal will send a 215 grn bullet out at 2500 fps, the 338-06 . Any gunpowder required by handloaders can be sourced through these brands. I tested some a while back in a .338LM Improved 40 and even compressed loads weren't showing pressure signs. hope this helps . We do not take backorders and our Tech Services team cannot take orders via email or phone. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. I tried 7977 and H1000 without much luck, finally settled on Retumbo with the 285gr ELD-Ms. Sign up to get updates and access to exclusive promotions. . New Products. No reviews found. I sure wouldn't want to do without it . Hogdon's 2015 annual load manual has data and some good articles on them. I've had quickload since 2009 , I think . It is recommended for the .25-06, 6.5mm-284, 7mm Rem. I hit Harold bolt lift around 93gr. Took a while but finally have all the components to reload my 338 Lapua Mag. https://www.snipershide.com/shooting/threads/new-338-lm-loads.6955101/. Loading density is perfect for magnums, contributing to superb uniformity. It is slower burning than expected. Has any one tried this powder with any luck? Please enter your login details below. I searched for RL 33 yesterday and they didn't have any, nor Retumbo. (Please refer to out " Reloading Tips " for proper measurement techniques) If possible, we recommend that you determine the COAL of your rifle, and load your bullets at 1mm short of the lands. Blog. We use CCI. 338 lapua 250 grain BTHP. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. .300 win mag imr 7977, 168 grain berger 7mm rem mag with 7977 powder, 26 nosler with imr 7977, 280 ackley improved with imr 7977 data and 168 berger . I was wondering if the latest version of Quick load could work up recommended loads for the 338 Lapua using the Cutting Edge 252 gr. The COAL stated is this table is according to the SAAMI specification. Mag. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Joined Jan 8, 2012 Messages 7 I use 98 grains in a 31" 300 RUM. The length of the neck is just about one bullet diameter at 0.329 inch. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Ramshot Hunter. For a better experience, please enable JavaScript in your browser before proceeding. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. Sign up to get updates and access to exclusive promotions. I picked up some IMR 7977 to try some different bullet/powder combo's but I'm not finding much data. . 8. Consistent performance . I have had good luck with 4451 in 6mm Rem with 90 gr BT and 7mm Rem Mag with 150 BT. Bullet Weight: ALL. imr 7977 for sale IMR powder production dates back more than 200 years, when E.I. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. The Scenar-L has the refined qualities of the original Scenar bullet with higher standards of jacket wall concentricity, weight variation and dimensional uniformity. Loading density is perfect for magnums, contributing to superb uniformity. Picked up the 7977 for my 280 ack and 300 wm. You are using an out of date browser. Feenix: I just posted this in response to a similar question by NavyChief. Loading density is perfect for magnums, contributing to superb uniformity. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. IMR 7977 Enduron 109.2 77.7 5.03 2708 89.3 60000 8519 1.264 ! Warning! More what I was meaning is I think 97 grains of 7977 with 250 grain bullets may be dangerous in bullets other than the 250gr hornady soft point. Lyman #38. Resources. it should give the highest velocity without showing signs of over pressure . snoopy happy dance emoji 8959 norma pl west hollywood ca 90069 8959 norma pl west hollywood ca 90069 We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. IMR is an acronym for Improved Military Rifle. IMR 4831 92.4 72.7 4.71 2519 100.0 60916 8941 1.444 !DANGEROUS LOAD-DO NOT USE! I'm hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. Lee #25. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. Magnum, .300 Wby. First used in battle in 1805 by United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. Two are 338 LM. @3000 fps. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Really consistently accurate results. CHEAP IMR 7977 AVAILABLE IN STOCK. Imr 7977 Load Data For 338 Lapua If you are looking for Seeley Imr 7977 Load Data For 338 Lapua Yes you see this. Loading density is perfect for magnums, nicely filling . March 27, 2016 Gavin Reloading Blog, Uncategorized 308 Winchester, 338 Lapua, AR-10, AR-15, Gunpowder, IMR 4166, IMR 4451, IMR 4955, IMR 7977, IMR Enduron Ultimate Reloader Moves to the Country Anyone that lives in the city can tell you just how difficult, limiting, and expensive shooting can be when you don't have access to the country. Thank goodness we do not have a .338 Lapua, as Jim's shoulder would not handle the punishment! It performs admirably in cartridges such as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua, and a variety of others. Hope it helps. I was amazed at the velocity witch was more that I was supposed to get with 71 grains. Pushing 163gr SCBT 3611 fps (avg.) JavaScript is disabled. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum . .338 Lapua Magnum - Published Manufacturer Loading Data. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. IMPORTANT: Please view the special notes by clicking here. just to show how easy you can gather this info I ran a 338 lapua with a 300 berger elite hunting bullet . RL33 is working great in my 338 RUM with the 300 EH. Any help and/or guidance would be much appreciated. Only did a velocity check on back behind the garage. Mark . I did see Hodgdons data, but unfortunately they only list the hornady SP bullet. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. When we are sold out, we are sold out. Loading density is perfect for magnums, contributing to superb uniformity. forum.accurateshooter.com/threads/imr-7977-in-338-lapua.4021835/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 Edg/103.0.1264.49. The 33 Nosler case holds 88.3 grains of water. Sign up with your email address to receive news and updates. I recently bought one each of these powders to try in my 300 win mag and my 6.5 x 47 lapua. You are using an out of date browser. here is the Data I found of Hodgdon's site. 14 rds from my 338 Win Mag Rem 700 XCR. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR Enduron 7977 is a slower burn rate in the Enduron family.