Description
RCM HK33K .300 BLK K Length Barrel – Threaded 5/8×24
Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8×24 thread pitch. It is also suitable for most .300 BLK suppressors and applications.
Specifications:
- Made In The USA
- Counts As 1 US Made 922r Compliant Part
- Made From 4140 steel
- Nitrided Finish To Entire Surface Of Barrel Inside & Out
- Overall Length 12.5″
- Chambered in .300 BLK
- 1:7 Barrel Twist
- Threaded 5/8×24
- Fully Fluted Chamber
Compatible With:
- HK33K .300 BLK
