Bbl, 10.4" Ps90 4150cmv Cl 1:9, 5.7x28

Great choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR.

Features:

- 4150 Chrome Moly Vanadium
- Chrome Lined
- Manganese Phosphate Coated
- Threaded M12x1.0 LH

Specifications:

- Caliber: 5.7×28
- Length: 10.40"
- Twist: 1:9