Knight's Armament SR-15 CQB MOD 2, 11.5" URX4 M-LOK Upper P/N:31963

The Knight’s Armament SR-15 MOD 2 complete upper receivers use the URX M-LOK handguards that have 2 anti-rotation QD sling swivel sockets and includes a Magpul M-LOK rail cover kit and KAC M-Lok rail section.

KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation.

The bolt carrier group features the E3 bolt that has rounded locking lugs that work in conjunction with the E3 barrel extension.

Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.

Specifications:
Barrel: 11.5” (29 cm) 1:7 Twist, Hammer Forged, Chrome Lined
Caliber: 5.56 NATO
Weight: 3.8 lbs (1.7 kg)
Length: 20.5” (52 cm) OAL

For barrels shorter than 16in, ALL NFA RULES APPLY.