Jan 10, 2025 · Subsonic, the .223 would be worthless for energy. The optimum subsonic defense load with a 10.5" barrel is 300BO in my opinion. Subsonic .223 is essentially a .22 rimfire. If …

Nov 1, 2013 · The very best subsonic 223 load for any of these rifles is a .22 conversion using a 1-9 twist barrel and 60gr SSS ammo from Aguila. Loading up that huge oversized .223 case …

Dec 24, 2007 · Shot some 5.56 subsonic today that cycles in both gas piston and standard ar's. Extreme Shock ASP. Does anyone else have expierence with this ammo.

Oct 13, 2013 · I've been tinkering over the past few weeks trying to use different powders and loads to create the perfect (for me) subsonic .223So, after another full day of experimenting, …

Jun 1, 2012 · Re: Subsonic .223 ammo This + This = subsonic 223 that feeds, functions, and locks the bolt to the rear.

Mar 12, 2011 · Re: RELOADING SUBSONIC .223 SUPRESSED.....ANY IDEAS 16" and 20" 1/9 twist AR's---4.4gr Trailboss, CCI 41 mil primer, 55gr bullet. 4.5 gr TB will give occasional …

Nov 12, 2008 · What powders are you using in America to produce .223 /5.56 subsonic loads that will reliably cycle in an AR 15 type rifle? The local Rifle club has approved indoor use of IPSC …

Oct 27, 2021 · I've done some interesting things with a 223 bolt gun and downloading it to subsonic using pistol powder and varmint bullets like the Vmax. Never shot it out to 200yds but …

Jan 16, 2010 · Im looking into subsonic 223 and wondering what the heaviest bullet I can shoot is. I can reload to whatever I want and I realize the I need to moly coat the bullets. I have a 20" 1 …

I have come up with a 223/5.56mm ammo that is subsonic, fits in a standard magazine, and cycles without modification to the rifle. I've been at this since 2007 working with cast and …