Description
HK53 length .300 Blackout Barrel- 5/8"- 24 Thread- 8.20" Overall Length
Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8" -24 thread pitch. Although, this barrel is perfect for just about any .300 BLK can or application.
Features:
- Made in the USA
- 922r Compliant (counts as 1 US-made part)
- Made From 4140 Steel
- Nit ride Finish (Same process that Sig & Glock use)
- For use with all weights and grains of .300 BLK ammo
- Specifics
- Overall Length - 8.20 inches
- Chambered - 300 Blackout
- 1/7 barrel twist
- Threaded 5/8"-24
- Fully Fluted Chamber
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