2A Armament, AR-15 Barrel, 556NATO, 16″, Nitride, 1:8 Twist, 1/2″ x 28 Thread Pitch, Mid-length Gas System, 1/2 x 28 RH
- 416-R Stainless Steel with QPQ Nitride finish
- Mid-length gas system, .078″ diameter gas port
- 1 in 8 twist
- M4 barrel extension
2A Armament is proud to offer their own branded lightweight barrel. These barrels are manufactured in the USA and are the same barrels that ship with the BLR-16 rifle.