CMMG
Great choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adapter to complete your SBR.
CMMG, Barrel, 5.7x28mm, 10.4" Barrel, 1:9 Twist, Fits PS90, Black
10.4"
4140 Chrome Moly
Salt Bath Nitride Finish
1:9 Twist
5...