The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets. On top you’ll find the KAC …

Arm yourself with a Knights Armament SR-15 for sale and experience premium power and performance that only comes from an upper-echelon firearm. Omaha Outdoors has custom …

Barrel: 16.1” (40cm) 1:7 Twist, Hammer Forged, Chrome Lined. Caliber: 5.56mm NATO. Weight: 4.3lbs (1.95kg) Length: 25.1” (63cm) OAL

The SR-15 E3 Mod 2 series’ 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. P/N:31949.

Knight’s Armament SR-15 Carbine 14.5″ Mod 2 M-LOK Upper Receiver Group KAC PN 31949. The SR-15 E3 MOD 2 series’ 5.56mm NATO barrel is manufactured for military grade …

Experience the pinnacle of firearm technology with the Knights Armament (KAC) SR-15 Mod2 E3 Upper Receiver Group. This flagship product, with an M4 sized barrel, designed for the AR15 …

Included in this upper is Knight's new E3.2 bolt. Dual ejectors ensure clean and consistent ejection even when a traditional high-backpressure suppressor is used. Refined Lug geometry …

The KAC SR 15 14.5 upper from Omaha Outdoors will elevate your AR-style pistol to a whole new level of performance. This 5.56 caliber MOD 2 upper features a 14.5-inch chrome lined barrel …

The Knights Armament SR-15 E3 MOD 2 series’ 5.56mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard.

This 5.56 MOD 2 M-LOK upper has a hammer forged, 1 in 7 twist chrome lined 16-inch barrel, a full-length Picatinny rail, an M16 full auto BCG, and a charging handle. Even better, this upper …