Black Collar Arms has announced the release of a limited edition 300 Blackout 1:5 twist AR-15 pattern barrel.
Black Collar Arms states “We’ve done a production run of Ultra Match Grade, 7-inch, 1:5 twist 5R rifled, 300 Blackout AR-15 barrels.
These are made from 416R stainless steel Criterion blanks and are beautifully salt bath nitrided a deep, jet black. 5/8×24 muzzle threads.”
KEY SPECIFICATIONS:
- AR-15 fit
- 300 AAC Blackout (300 BLK) chambering
- 7-inch length
- 1:5 twist 5R rifling
- 5/8×24″ muzzle threads
- 0.740″ shoulder
- 0.750″ gas block journal diameter
- 0.104″ gas port diameter
- uses a pistol length gas tube
- Dimpled for set screw opposite gas port
- 416R stainless steel
- Salt bath nitrided deep jet black
- Made from ultra-match-grade Criterion blanks
- Weight: 15.5 ounces
To learn more about Black Collar Arms. CLICK HERE