New and limited! 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. 5/8x24 muzzle threads.
We use X-Caliber premium match grade barrels for our Custom Barrels. These made-to-order barrels are among the highest quality and most accurate barrels available in the country.
Black Collar Arms Barrel Nuts allow for end-user barreling and headspacing with the use of headspace gauges and a standard, 1.25-inch wrench. An amazing 0.91 ounces light!
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