bigboreshooter wrote:Hey T, do u have any experience with the .300 black out round. The MVP would also be a great platform for this caliber since it uses .223 cases
BBS, Shore do, been fooling with the 300 whisper for "Long Years" (as a wildcat, 20 years before JD made it popular), if you want a fun gun, however, somewhat lacking for serious Social Work. Myself, for ringing the bell, I'd rather have a sub-sonic 45cal, which is, for all practical purposes, just as accurate as this 300ACC, over the intended ranges and far more effective, in a wad cutter to Keith type or truncated flat point.
The 300 BO is a 300 Whisper knock-off and neither, actually isn't done on a 223 case, Per se, but they are based on the 221 fire ball case (300ACC BO case being 1.368" long and the 223 case being 1.760" long ). Like the 30-06 family of cartridges, one "Could" make 308 to 45acp cases with the 06 as the parent case, so, with that as an example, you could definitely cut a 223 case short, but then you'll have to ream the neck of the newly formed case, as the case gets thicker the further south you go down the case, but it can be done. Myself I'm kinda lazy, so I'd just pick up some 221 Remmy Fireball cases or get JD to souvenir me a bunch of Whisper cases..
..t