For comparison purposes, factory Lapua 300 grain ammunition is advertised at 2725 feet-per-second from a 27″ barrel. I use AR2225 which is made by ADI in Australia. Retumbo adds 40-100 fps more velocity to these cartridges when compared to other normal magnum powders. This is a huge help since I will be developing a 300gr load for a Surgeon .338LM in the near future. Savage 112 .338 Lapua Magnum Target Rifles with 285gr Hornady ELD-M bullets using Retumbo powder in Lapua brass. Sep 25, 2014 #1 Guys title says it all but I am likely to shoot the 300 SMK so what's your thought? .338 Lapua 300gr SMK vs. .300 Win Mag 220gr SMK. I have also heard loaders using Retumbo and one guy is using RL33. Then select your bullet weight, powder manufacturer and powder type. have you used the berger 300 grainers at all or say the 285 from hornady? .338 Lapua Magnum LOAD DATA - Barrett 98B, 20" & 27" - by Ken Kempa Reduce all listed loads by 5 grains to start, then work up. Looking at rl33, n570, retumbo, h1000. The weight of .338 Lapua tactical rifles is also a concern. This was with my Savage 112 Target .338 Lapua Magnum using Lapua brass with Hornady 285gr ELD-M bullets, Federal 215 primers and Retumbo powder doing right at 2700 fps. Just started with the 338 Lapua Rem 700 TACT and Zeiss 4.5 x14 Scope, I have not shot it yet, just prepping my brass. _____ IMHO the main downside of 338 LM is the chronic shortage of Retumbo and … Reloader 33 IMR 7828 IMR 4350 Custom 338 Lapua Magnum rifle. I knew with this was a gun I would have to reload, but I figured it would be as easy as reloading the .308 Winchester. Joined: Dec 4, 2014 Messages: 21. Precision loads for 1 mile and beyond. So Far I have accumlated: 100 PCS Hornady Once Fired Brass Fed 215GM Primers Berger 300gr Elite Hunting Nosler 250gr Accubond Sierra 250gr GK Powder: Magnum, RL 25, H1000, Retumbo This data is now available to download for free from our website! The 338 Lapua was designed as a military cartridge to bridge the gap between the 308 Winchester/7.62 NATO and the .50 BMG cartridges. If you are interested in writing reviews upon any of the 338 Lapua 285 Hornady Retumbo you've purchase and have experience with, we assist you to do thus to encourage others who are looking at buying the same products. Capable of extreme accuracy at long range, rifles chambered in 338 Lapua Magnum are readily available from a number of manufacturers. The rush to long range rounds has created a false sense of what long range really is. Share this: Show more.338 Lapua Magnum Long … Santa was good to me this year! Then took same piece of bertram and shot it another 5 times in my 338 … According to the Finnish army’s testing, their rifles maintained 1 moa accuracy at 1000 yards for 4000 rounds. Anyone have any recommendations for a good powder to start with in a 338 lapua ai pushing 300's? It is too fast a powder according to the company who distributes the powder and supplies data. Shop for cheap price 338 Lapua Ar For Sale And Retumbo Powder 338 Lapua .Compare Price and Options of 338 Lapua Ar For Sale And Retumbo Powder 338 Lapua from variety stores in usa. I too will be starting loading for a 338 Lapua in the next few weeks. Using bullets from Barnes TTSX, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Barnes TTSX BT, Swift SP, Sierra HPBT. My rifle is an Accuracy International AWSM with a 1 in 11" twist. Using bullets from Hornady BTHP Match. Coats Brothers Firearms. They ship it in bulk to the USA where Hodgdon package it as Retumbo. Find what you need in four easy steps. Thread starter djtjr; Start date Sep 25, 2014; djtjr. Looking for Reloading Data for the 338 Lapua Magnum and Berger Bullets? Everyone loves to talk about the ballistic charts and the numbers surrounding their favorite round, but the reality is that most people will never make full use of the effective range of their 5.56 and 9mm, let alone 6.5 Creedmoor or .308 Win. A typical round for the 338 Lapua Mag is between $3 – $8 per bullet for factory ammo. Click "Get Data" to view results. I use Retumbo in a 25-05 with 115gr and a 7mm rem mag with 160 and it works great but to slow for a 338. it will be a 40 degree shoulder and the aprox coal with the 300 bergers will be about 3.9 touching the lands. Lapua and Hornady brass used interchangeably. No doubt 3,000 fps could be reached with 300-grain bullets in the long barrel. thanks for any information that you can get me started with. Federal 215 LR magnum primers. A heavy rifle is fine for fixed position work and where the hunter has access to a vehicle, but for those who climb far and high, a heavy tactical rifle can be a complete pain to work with. i see dan you use retumbo 89.3 gr. 338 Lapua Magnum 300gr Scenar 0 500 1000 1500 2000 2500 3000 0 250 500 750 1000 1250 1500 1750 Range [yd] Velocity [fps] 0 1000 2000 3000 4000 5000 6000 Energy [ft-lbs].338 Lapua Magnum .338 Lapua Magnum 300 gr HPBT Scenar Lapua has introduced a new 300 grs Scenar HPBT bullet and cartridge for the .338 Lapua Magnum. just looking for some load heads up. 338 Lapua Magnum Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) IMR 7828SSC 74.1 2499 82.3 2734 H1000 78.2 2551 86.9 2772 Retumbo 81.4 2597 90.5C 2821 Magnum 83.9 2567 93.2 2814 FLIGHT762, Dec 4, 2014 #7. stevesmith Member. H1000 (slowest MV) Retumbo (fastest MV) and just 200yd tested Reloder 33 (seems similar MV as Retumbo). H1000, Retumbo, RL33, H570 Ive pushed 338 lapua brass vs Bertram brass. Dan or others, i have ordered a savage 110 fcp hs in .338 lapua. The bertram lasted more than twice as many shots. IMR 8133 is designed specifically for magnum calibers, such as .300 Remington Ultra Magnum, 28 Nosler, or the .264 Winchester Magnum, among many others. I'm using a light load of 91.5 grains under 250 grain Lapua Lockbase projectiles ..... ADI's maximum listed load for 250 grain bullets is 97 grains. H1000 seems to be a very popular power for loading the 338 Lapua. RETUMBO. This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. A great many .338 Lapua … I am always under .5 MOA with the 300gr Lapua Scenar at 200yds from .387 bugholes to .867 groups. Powders include Alliant, Winchester, Hodgdon If you're unsure, or just want options, check as many boxes as you'd like. or have you stuck pretty much just to the 300 gr. After quite a bit of research I decided to try to develop an accurate and relatively fast (2600 FPS+) load using the 300-grain Sierra Matchking (SMK). .338 Lapua Magnum (Using 285 GR Hornady Bullets) reloading data with 25 loads. Select your cartridge type from the drop-down list. .338 Lapua Magnum (Hodgdon Data) reloading data with 170 loads. Powders include IMR, Hodgdon, Winchester Also what if I change to a 250 grain bullet does anything change in terms of the above preference? smk? The H4350 shoul work well, I have a load that my 338 loves with a 225 partition is 78gr H4831 at 2950fps and it is as accurate as any 338 load i have ever seen or used. IMR 7977 is comparable to Hodgdon H1000. That muzzle velocity, by the way, is about what a .338 Lapua with a “standard” barrel length will do with a 250-grain bullet—and 90 grains of Retumbo is 4 grains under the maximum load listed by Hodgdon. Preacher. Shot lapua 7 times vs 12 in my friends rifle, I stopped at 12 because it wasn't my rifle. It yields great performance in .300 Winchester Magnum, 7MM Remington Magnum, and .338 Lapua Magnum. Let us know how the reloading goes! I have some Barnes 265 and 280 lrx's to try over some retumbo. Along in the manner of customer reviews, extra areas that are great for product research are our How-To Articles, Product discussion forums, and Product Specialists. under 300 gr smk bullets. Top-class ballistic I would take care approaching loads above 96 grains. FWIW, I have plenty of target images keeping records of testing. Download now 338 Lapua Ar For Sale And Retumbo Powder 338 Lapua BY 338 Lapua Ar For Sale And Retumbo Powder 338 Lapua in Articles If you find product , Deals. I'm currently waiting on a Powder Valley order with Lapua Brass, Retumbo, H1000, Fed215M, and a bunch of 300 SMK's. Do any one have an experienced in reload .338 Lapua Magnum with these powder ? Just found that some supplier have these powder which also proper for this caliber. Thanks for sharing this information! I currently using Retumbo for reloading .338 Lapua Magnum but seem like they were hard to find. Like said above, Hodgdon does not list either 4350 with a 300gr bullet in the 338 Lapua. Retumbo seems better with the heavier bullets in the 338 Lapua, but Retumbo is useable with 250 grain bullets. It might be for most guns chambered in the .338 Lapua Mag, but … 338 Lapua h-1000 or retumbo? Recoil on my 338 LM rifle is surprisingly tame with a muzzle brake.
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