7" Black Collar Arms, Ultra Match Grade, 416R SS- Rigid Profile, Pistol Gas, 1:5, .300 BLK *LIMITED PRODUCTION*
Black Collar Arms
$239.00
Write a Review
Black Collar Arms
7" Black Collar Arms, Ultra Match Grade, 416R SS- Rigid Profile, Pistol Gas, 1:5, .300 BLK *LIMITED PRODUCTION*
New and limited! Black Collar Arms 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.
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
