Description

The best choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR. Tax Stamp and gunsmithing required.

10.4″
4140 Chrome Moly Vanadium
Manganese Phosphate Coated
1:9 Twist
5.7×28 Chamber
Threaded M12x1.0 LH