Thank goodness we do not have a .338 Lapua, as Jim's shoulder would not handle the punishment! Magnum, .300 Wby. .338 Lapua Magnum (using Sierra bullets) Warning! The IMR brand was created under the DuPont Corporation. The IMR Enduron Powder load data published by this website is intended discussion . IMR Enduron 7977 is a slower burn rate in the Enduron family. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. imr 7977 load data 338 lapuathe renaissance apartments chicago. The Hornady 143-grain ELD-X, Nosler 142-grain ABLR, Berger Classic Hunter, and Berger Hybrid Target bullets all . I've been working on trying to get my 338 to shoot better. these would be considered max powder charges . You must log in or register to reply here. Bullets. It'll generate more velocity but it shoots well at 2800. We do not take backorders and our Tech Services team cannot take orders via email or phone. For more information, go towww.P65Warnings.ca.gov. I've had quickload since 2009 , I think . imr 7977 for sale IMR powder production dates back more than 200 years, when E.I. 8mmmaghunter Member. mdslammer Sergeant. I tried 7977 and H1000 without much luck, finally settled on Retumbo with the 285gr ELD-Ms. IMR 7977 are couple more options. Jim, I understand this is an old thread, but want to reply anyway. Reloading- What pressure signs do you stop at. I get 2800 fps with a 300g Berger in my 30 inch barrel. Access from your Country was disabled by the administrator. Soft Point: . You are using an out of date browser. It performs admirably in cartridges such as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua, and a variety of others. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 . Matching Maximum Pressure: 60916 psi, or 420 MPa . Took a while but finally have all the components to reload my 338 Lapua Mag. Improved Military Rifle IMR 7977. 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). 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. Ramshot Hunter. Each of these are still favorites with handloaders today! 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. I picked up some IMR 7977 to try some different bullet/powder combo's but I'm not finding much data. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Loading density is ideal for magnums, filling the case nicely at . Magnum, .300 Win. I love it! Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Please help us to improve and report any suggestions via our contact form. I just bought the newest update Dec 2016 , it cost about $22 shipped to my door . Full Member. For this reason, the IMR brand powders truly are Legendary products. Charge weights are nearly identical to H1000, which i understand 7977 is supposed to be similar too. 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. I love Hodgdon, but I think 97gr is dangerous in most 250 class bullets. Hogdon's 2015 annual load manual has data and some good articles on them. Really consistently accurate results. IMR Enduron 7977 is a slower burn rate in the Enduron family. IMR 7977 is comparable to Hodgdon H1000. No reviews found. RCBS #14. IMR 7977 for the 300 win mag . This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. 7977 uses almost exactly the same data as H1000 with very similar speeds. Vihtavuori N550 - powerful loads for hunting. Please enter your login details below. When we are sold out, we are sold out. Inkognito. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Very fast flat shooting powder. either expressed or implied is assumed for the use of this data. IMR 4166 possesses the fastest burn rate in the Enduron lineup. In doing so, we deal with integrity and honesty . The components I currently have are VihtVuori N560 Powder and Sierra 250 Game king & Sierra 300 Match King bullets. 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 7977 Load Data For 338 Lapua If you are looking for Seeley Imr 7977 Load Data For 338 Lapua Yes you see this. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. We offer a wide variety of cases and bullets for hunting, sport shooting, target and tactical purposes. For the best experience on our site, be sure to turn on Javascript in your browser. I searched for RL 33 yesterday and they didn't have any, nor Retumbo. JavaScript is disabled. snoopy happy dance emoji 8959 norma pl west hollywood ca 90069 8959 norma pl west hollywood ca 90069 Any help and/or guidance would be much appreciated. It may not display this or other websites correctly. US 869 is a 50 BMG propellant that offers significant advantages in many magnum rifle applications! They're all having good results. 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: . Hope it helps. 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. 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. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. so I checked it out a bit more. here is the powder chart . Bottom line, I like it so far. Reviews can only be submitted while being logged in. I had been using Hornady 250grn BTHP and have been unable to obtain. is essentially the 6.5 mm Swede (btm.) then I can get a powder chart from fastest velocity to slowest velocity . IMR Enduron 7977 is a slower burn rate in the Enduron family. Loading density is perfect for magnums, contributing to superb uniformity. to 90 gr. Vihtavuori's N550 rifle powder was originally developed for .30-06 Springfield and .308 Win. With the bullets touching the lands 69 grains gave me an average velocity of 3140 ft/sec.. You are using an out of date browser. One of the guys may want it. YMMV. Im hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. Lee #25. You are using an out of date browser. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. We place limited powder inventory for sale on a regular basis on our website. IMR is an acronym for Improved Military Rifle. . VihtaVuori N150. Let me know if you want to sell the barrel. Have new brass, Hornady, and primers . Comprehensive load data for IMR 7977 Enduron reloading powder und technical specifications for this propellant. DuPont founded the company. Keying in on the PRC's role as a big-game cartridge, I concentrated on loads with high-BC bullets. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . if you're serious about reloading and shooting I really recommend it . Reply. I am finally starting to play around with different loads for my .338 Lapua. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum . I had no luck with my factory RPR barrel. it should give the highest velocity without showing signs of over pressure . For a better experience, please enable JavaScript in your browser before proceeding. . Lapua's Scenar-L bullet is the result of decades of experience and state of the art manufacturing capabilities combined with extensive testing. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. When will it be back in stock? 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. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. 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. here is the Data I found of Hodgdon's site. JavaScript is disabled. I have H1000 which I have tried with no luck. Hey guys, does anybody have any IMR 7977- 338LM data? Minuteman. 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. I wouldn't say it's a better alternative - it's on the slow side. US869 is a dense propellant that allows the shooter to use enough powder to create maximum velocities in cartridges such as the 7mm . I dont have any velocity data, but I did run a couple loads with . for a 338 lapua RL33 is going to be hard to beat . I have not ran 8133 in 338 yet. Shellholders: Hornady #43. IMR Enduron 7977. Subscribe to the free newsletter and do not miss any news or promotions. For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. Trail Boss Reduced Rifle Load. Lyman #38. hope this helps . The 6.5 mm Creedmoor (top.) I set it for a 105% max case fill , and set it for the max rated pressure of 60916 psi . online shopping has now taking into account a long way; it has untouched the quirk consumers and entrepreneurs reach issue today. Feenix: I just posted this in response to a similar question by NavyChief. For powder I like IMR 7828 and scored 2 lbs of the IRM7828scc. The store will not work correctly in the case when cookies are disabled. We appreciate your patience and continued support! We use CCI. 338 Lapua Mag - 265 grain Version 9.0 24" H-S Prec. Really consistently accurate results. SAAMI . This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing . Thanks, but I prefer shooting .300 Bergers. . This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. *Recommended Powder C Compressed Load 2 . New customer? Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. IMR is a brand in the Hodgdon Powder Company lineup. IMR Enduron 7977 is a slower burn rate in the Enduron family. With 7977 I discern no difference between CCI 250 or Fed 215 . They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Load Specifics. Pushing 163gr SCBT 3611 fps (avg.) More about this powder: IMR Enduron 7977 is a slower burn rate in the Enduron family. IMR 7977 Enduron . IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. The .300 Norma case has a capacity of 103.0 grains of water, so powder charges will approach 90 grains or more, depending on the bullet weight. IMR 7977 powder is a magnum propellant with the slowest burn rate of the Enduron powders. I tried H1000, IMR7977, and 4891 with 4 different bullet combos. I have H1000 which I have tried with no luck. It may not display this or other websites correctly. The slowest burn rate Enduron Technology extruded powder and a true magnum cartridge propellant. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Improved Military Rifle IMR 7977. During this time of overwhelming demand, our team is doing everything possible to produce more bullets and ammo than ever before. 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 . SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. VAT (where applicable), shipping costs and possible delivery charges. 1. I picked up some IMR 7977 to try some different bullet/powder combos but Im not finding much data. I have had good luck with 4451 in 6mm Rem with 90 gr BT and 7mm Rem Mag with 150 BT. For the best experience on our site, be sure to turn on Javascript in your browser. After barrel break-in, I ordered up a set of custom whidden dies and started loading the following: Bullets: 300 gr. RL33 is working great in my 338 RUM with the 300 EH. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. Loading density is perfect for magnums, contributing to superb uniformity. Every week of WW II, as many munitions were used as in all of WW I. 26.0 inch = 660.4 mm Predicted Data for Indicated Charges of the Following Powders. I got a buddy in FL that's about due for a barrel change. Used same loads as 4350 and RL17. Two are 338 LM. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. Ill be going to 338 LM AI and shoot 300gr Bergers. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. JavaScript is disabled. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". N. ntg . The COAL is measured from the base of the case to the tip of the bullet. The 33 Nosler case holds 88.3 grains of water. it takes all the guess work out of the "what if " questions we reloaders have . But I agree with the above post. Predicted Data for Indicated Charges of the Following Powders. 338 Lapua Magnum Reloading Data | Berger Bullets. I'm hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. Warning; Manufacturer Loading Data; Cartrige Powder Recommendations; . I tried 250gr Bergers and 7977 in a pressure test. I understand this is an old thread, but want to reply anyway. It may not display this or other websites correctly. .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 . Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. H1000 is supposed to be extremely close to IMR 7977. Be Alert: Publisher cannot be responsible for errors in published load data. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. 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. Reduced Rifle Loads. Ok, but just to give you some perspective You must log in or register to reply here. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. I used a 26" bbl , my rifle has a 30" bbl . Joined Jan 8, 2012 Messages 7 I've had good success with 7977 in the 338 Lapua with 300g Bergers. Be the first to share your insights. .338 Lapua Magnum - Published Manufacturer Loading Data. If anybody would like to share their load data using IMR 8133, I would be very grateful. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. Loading density is perfect for magnums, contributing to superb uniformity. I did see Hodgdons data, but unfortunately they only list the hornady SP bullet. BARREL Twist 1-10" GRS. With H1000 being harder to find recently I am going to try the 7977 with both the 300Gr and some 250Gr Bergers. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Sign up to get updates and access to exclusive promotions. 160 gr. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. so as always start low and work up . In this video we discuss reloading the Savage 110 BA stealth in 338 Lapua Magnum. IMR Enduron 7977 is a slower burn rate in the Enduron family. Resources. This website uses cookies to ensure the best experience possible. Most of my guns will not shoot a tight group without some. . Reply. I'm using H100 with 300 gr and it's very accurate. 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. Loading density is perfect for magnums, contributing to superb uniformity. IMR 7977 90.0 MAX. The Scenar-L has the refined qualities of the original Scenar bullet with higher standards of jacket wall concentricity, weight variation and dimensional uniformity. IMR 7977 Enduron 109.2 77.7 5.03 2708 89.3 60000 8519 1.264 ! I recently bought one each of these powders to try in my 300 win mag and my 6.5 x 47 lapua. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. It may not display this or other websites correctly. Hey guys, does anybody have any IMR 7977- 338LM data? In addition to the 6.5x55 mm Swedish, the Sauer 404 is chambered in 15 other . For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. I'm not very computer savy , so if I can figure out how to use it , anyone can . . These loads were shot by Brian Pearce of Wolfe Publishing Co. @3000 fps. Yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Loading density is perfect for magnums, contributing to superb uniformity. Just tagging in, I'm curious what folks say about 7977. for a 338 lapua RL33 is going to be hard to beat . Reactions: Evlshnngns. Just for comparison's sake, the 338 Federal will send a 215 grn bullet out at 2500 fps, the 338-06 . 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 . Our component offering includes cases and bullets for both centerfire rifle and handgun. Thread starter jmden; Start date Feb 1, 2015; Feb 1, 2015 #1 jmden Well-known member . When we are sold out, we are sold out. Cedar Park, Texas. Share your experiences with other customers. I shot five rounds and at 100 yards and I got a group that was less than 3/4 of an inch. Loading density is perfect for magnums, contributing to superb uniformity. Improved Military Rifle IMR 7828 SSC. Improved Military Rifle IMR 8133. The COAL stated is this table is according to the SAAMI specification. 2796 88.0 * 2712 86.0 2628 H1000 93.0 MAX. 8. Just couldnt get under 0.8 moa. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Ac c uB ond Lo n g R an g e 0 .7 3 2 Cabelas in Wheeling had the new powder in stock last Saturday. 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. I'll check with him and PM you if you dont mind. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. .338 Lapua Magnum (Hodgdon Data) reloading data with 170 loads. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Powders include IMR, Hodgdon, Winchester Ramshot Hunter. Loading density is perfect for magnums, nicely filling the case at maximum charges . 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. It seemed to me Hodgdon was more aggressive with the max load when comparing to other loads and in my case is sure was. Warning! Bullet Weight: ALL. For a better experience, please enable JavaScript in your browser before proceeding. I'm using RL33 with 300 gr berger hunting bullets . Reloading data for 338 Lapua Magnum. Mag. We do not take backorders and our Tech Services team cannot take orders via email or phone. I worked up a load for my Winchester Model 70 in 270WSM with a 24 inch Bartlein barrel, using 150 Berger VLD's in RP case, 215 primers and 68-70 grains of 7977. I paid about $160 for it originally , and have bought many updates over the years . IMR Enduron 7977 is a slower burn rate in the Enduron family. for stuff like this it is worth double the price . Hodgdon Powder Company operates following Biblical principles to honor God. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Good luck with the new set up. 123 gr. The Best Hunting Bullets for the 338 Lapua Mag. Loading density is perfect for magnums, contributing to superb uniformity. Using bullets from Barnes TTSX, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Barnes TTSX BT, Swift SP, Sierra HPBT. Find A Dealer. He's not a precision guy and only shoots to 600. To put that in perspective, the 338 Win. For a better experience, please enable JavaScript in your browser before proceeding. . JavaScript seems to be disabled in your browser. IMR 4831 92.4 72.7 4.71 2519 100.0 60916 8941 1.444 !DANGEROUS LOAD-DO NOT USE! Only did a velocity check on back behind the garage. it should give the highest velocity without showing signs of over pressure . We place limited powder inventory for sale on a regular basis on our website. 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. Loading Data . Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. Scenar-L has truly earned its . Hogdon's 2015 annual load manual has data and some good articles on them. 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. The maxorder quantity of any powder SKU is. US 869. . 14 rds from my 338 Win Mag Rem 700 XCR. (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. Imr 7977. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. We use cookies to make your experience better. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. For a better experience, please enable JavaScript in your browser before proceeding. I hope this shows how valuable quickload can be . 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. Submitted Loading Recipes Show all Submitted Loading Recipes Tipstrike Experiment in 7x66 Vom Hofe Preparing 204 Ruger Norma Brass . It is slower burning than expected. Any gunpowder required by handloaders can be sourced through these brands. Supersubes Heathen. Consistent performance . I was amazed at the velocity witch was more that I was supposed to get with 71 grains. Berger Elite Hunter & 285 gr. Recipe Type: Rifle . You are using an out of date browser. For example, berger lists 90gr of H1000 as the max charge. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Jun 3, 2010 202 11 Las Vegas . 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 . Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to Ramshot Big Game. This testing was with Hornady 285 ELD-M with Alliant Reloder 26. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. 338 lapua 250 grain BTHP. 2825 91.0 * 2754 89.0 2684 . Mark . These loads were shot by Brian Pearce of Wolfe Publishing Co. . Picked up the 7977 for my 280 ack and 300 wm. Consistent performance . To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Ordered a LRI barrel after giving up. IMR now offers four Enduron powders that cover a broad range of burn rates. RCBS #48. Have been looking at the 7977 for my 270 with the Matrix bullets. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators.