Description
Best Length HG for Suppressor use with this barrel :
4.25″ or SD Type 4.5 SD /8.5 HG
Specifications:
- Length – 5.5″
- Material- 4150 Chrome Moly Vanadium
- Profile-Straight
- Finish- QPQ Corrosion Resistant
- Gas System- Blowback
- Gas Block Journal- No gas block or tube required
- Twist Rate- 1:10 Inches
- Muzzle- 1/2×28 Threaded
