Knights Armament SR25 7.62 Upper Receiver | 20" Barrel

The Knights Armament SR-25 A2 20″ Upper Receiver Kit (PN: 121471) is the commercial version of the M110A2, representing the latest evolution of the proven 7.62mm semi-automatic precision rifle platform. Engineered for rapid, accurate fire on mid-range point targets, this complete upper delivers modern upgrades in accuracy, reliability, and user-friendliness.

Key specifications:

• Caliber: 7.62mm NATO / .308 Winchester
• Barrel: 20″ (50.8 cm) ORD 4150 steel, 5R cut rifled, 1:10″ twist, dimpled hybrid medium profile
• Designed for excellent heat dissipation and sustained accuracy

The upper features a high-pressure dual-ejector (E2) bolt that improves performance and extends service life in both suppressed and unsuppressed configurations. It is paired with the impact-resistant URX6 handguard, which offers a continuous top MIL-STD-1913 rail and seven sides of M-LOK slots for flexible accessory mounting. The included muzzle device is compatible with KAC 7.62 QDC suppressors.

Ideal for precision rifle builds, law enforcement, and tactical applications requiring a reliable, high-performance 7.62 NATO / .308 upper on an SR-25 pattern lower.