Description
RCM HK53 .300 BLK Barrel - Threaded 5/8x24
Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor or application.
Specifications:
- Made In The USA
- Counts As 1 US Made 922r Compliant Part
- Stress Relieved & Fully Heat Treated 4140 Steel
- Nitrided Finish To Entire Surface Of Barrel Inside & Out
- Chambered For .300 BLK
- Overall Length 8.20"
- 1:7 Barrel Twist
- Threaded 5/8x24
- Fully Fluted Chamber
Compatible With:
- HK53 .300 BLK
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