Feb 6, 2015 · Quoted: I'm following this thread hoping to get some insight into making subsonic 223. I made up 5 pieces of 223 last night using 45gr .224" "hornet" bullets and 3 grains of …

Apr 29, 2016 · Supersonic 5.56 Vs. Subsonic 300 BLK = There is a huge difference between these two. The subsonic 300 BLK doesn't have a sonic crack and there is typically less …

Jan 11, 2024 · Any load data you guys wanna share for a heavy bullet load for a bolt gun in 5.56?ETA: 11.5

Nov 15, 2005 · There has been some discussion about .22LR and 5.56 subsonic. 40 grain 22LR at the same speed as 55 grain 5.56 is only marginally less effective. And 5.56 subsonic is not …

Jun 23, 2014 · Subsonic .22LR is not useless, so why would a sub-sonic 5.56 round be useless? I understand that its applications would be seriously limited, but it is certainly not useless.

Feb 8, 2025 · Quoted: Subsonic 5.56 is not going to cycle your AR, even with a suppressor. If you go with a super light buffer and spring it might allow the bolt to travel far back enough but it …

Oct 9, 2013 · A subsonic 5.56 isn't all that different from a .22LR; it'll be a .22cal projectile moving at 1000fps. They're not really going to be effective rounds either, as velocity is what makes …

Mar 9, 2016 · Don't try that load, you'll most likely stick the bullet in the bore of your gun. Don't make up loads based on what you think is logical, you'll get in trouble. There has to be enough …

Nov 26, 2020 · Any truth to those manufacturers that claim their subsonic ammo 5.56 223 will reliably cycle? Beck Ammo, Atomic etc. You can google it and several will pop up.

Jul 19, 2006 · Quoted: never heard of subsonic rifle ammo in .223 or 5.56. Do they even make such a thing? Can't imagine a round coming out of a barrel ~3000 fps being subsonic.