While researching these EXOT bullets I came across this report from USDA about wildlife management using subsonic, which I found informative and am sharing. My goto has always been the 208 AMAX in a folding 10' suppressed carbine. Adding barrel length or adding a suppressor turned a subsonic load into a supersonic load easier than I thought it would. One has a 10' barrel and the other a 16' barrel. Have yet to fire any lighter weight ammo out of it, and the Hornady expanding ammo refuses to feed well in my gun consistently, so I don't use it. This was a very helpful thread and I began researching the copper expanding like Outlaw and Cavity Backed Bullets. Ive worked up some subsonic loads for my two 300 blackouts. Plinking rounds might be a bit faster as I don't mind if an occasional supersonic round makes it thru.Īdmittedly- all my. Here’s a couple bags of what was left over. I have a shit load of data recorded so thanks for playing. Hornady doesn’t have anything for this load and I’m. I get great reliability even at the slower velocities, so I am loading with an aim for that 950 typically on the quietest rounds. Hey all I’m pretty new to reloading and picked up some 195gr eldms for 300 blackout. What I did notice- not for the first time- is that loads with an average of say 900-950 out of a 9.5" barrel sound noticeably quieter than rounds running in the 1000 fps and faster ranges. Hornady fmj-bt, since they are relatively inexpensive. I am attempting to work up loads using 150gr. AR platform, 8' Wilson Combat barrel, standard gas port size and gas block, obviously pistol lenght gas system, 1-7' twist. I did try 42 I know for sure, one of those (not sure which) lots of people had claimed was quieter, but I couldn't notice it if true. I am currently working on a subsonic load for a 300 blackout. I don't think I had any Lil Gun so maybe that is something I will try someday. Basically it was a waste of time, and I ended up back at 1680. 308 Winchester is a smokeless powder rimless bottlenecked rifle cartridge widely used for hunting, target shooting, police, military, and personal. Fairly recently I tried a small variety of different powders trying to chase a "quieter". My 2 baseline loads are: 208 Amax: 2.25 coal - 7.3 N105 - 1035 FPS SD 3.8 (7 shot group) 190 SubX: 2.09 coal - 7.3 N105 - No chrono but same drop to 135 yrs so I expect 1020-1040 fps range I also shoot 225 BTHP and 220 ELD-X and they do about 1020 fps 7.3 gr but usually shoot 0.5 mil higher than the 190-208 bullets.
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