DefiantDad
Member
- Joined
- Jun 1, 2012
- Messages
- 499
For the Colt Modular Carbine (CMC) CM901 Multi-Caliber Rifle:
Can someone explain how the lower is different from the AR15 lower that I have, which I was told can only accept .223/5.56 uppers and not the x39 or x51 uppers?
Thanks.
Can someone explain how the lower is different from the AR15 lower that I have, which I was told can only accept .223/5.56 uppers and not the x39 or x51 uppers?
Thanks.