![]() ![]() Light bullet going 800 or 900 fps is really fun!Ī big gas port, subs only gun with adjustable block would be just the ticket for some Unique powered semi auto goodness. 220s etc smack things, but like you said, need more powder. Cast is best, but I've had really good luck with the little 30cal xtp bullets. The gag speed of this 124gr, a without a head supersonic shot is 2,255 fps from a 15-inch barrel. if you want quiet, go manual cycle and use a lighter bullet, lighter than 125g with a fast powder. 300 Blackout when it is loaded to supersonic velocity. Just dont start slamming supers through it that way lol.ĪLL that said. The 175 smk may be a worth a shot too with a nice gassy powder like 1680 or cfeblk to keep it cycling.ĭropping a lighter buffer setup and or bcg may help too if you want to run slower speeds, light bullets, or quieter powders. Ive have some that would, others did not. Thats the fun part anyways.ġ80g and 220g round nose bullets tend to do very well if you can get your rifle to feed them. I cannot comment on your stability for sure, but i will say the ones I've messed with had 7or 8 twists could do 900 fps no prob with 220smk and slightly shorter cast stuff. Using the 9mm can will give you a little extra wiggle room in there lol, definitely a good idea when doing iffy shit like subsonic limbo lol. Subsonic Handgun utilizes tried-and-true XTP® bullets that expand reliably at subsonic velocities. tell everyone Hornady® Subsonic Ammunition designed for accuracy and performance below the speed of sound now comes in both rifle and handgun loads. conditions may change your stabilty if youre right on the edge. 300 Blackout 190 gr Sub-X® Subsonic Item 80877 20/Box Shhh. High velocity (2200+ FPS) bullets will turn organs like the liver and heart into a jelly during field dressing. Nice to shoot through a cardboard box up close and check 25 and 50 yard targets for nice round holes and decent groups. Albeit it doesnt do a lot, and with the already slow speed of 300 Blackout the engagement range must be short since most light. Hollowpoints with big cavities make funny noises too in flight, so for quiet they are not the best.ĭefinitely test stability before adding your can or muzzle device etc. ![]() Over 1000fps is notably noisy compared to 900ish fps with respect to bullet flight. VERY quiet with fast powders and plenty accurate inside 100 yards. In a bolt gun, 16 barrel, had some 700 fps cast 240g actually do really well. While having a chunky projectile is a nice improvement over the standard 5.56 cartridge, it does mean that you lose some muzzle velocity. So long as your target isn’t much over 100 yards, that is. 300 AAC Blackout is a fantastic hunting round. Its pretty impressive, but it is always noisy. The good news is that the old 50 yard zero works pretty well for 300 BLK as well. ![]() Cfeblk is no joke with getting guns to cycle. Ive personally seen 650fps 240g cast fly and function from a 6 or 7ish inch barreled Daniel defense lol. ![]()
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