Fully machined and finished, military style uppers ready for you to install your choice of barrel, carrier, bolt, forearm, and lower to build a custom AR-15. A2 carry handle style. Precision machined from a premium-grade Cerro aluminum forging and black...

Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.

The Rock River Arms AR-15 A2 Upper Receiver is a great choice for a retro AR-15 build. This assembled upper comes standard with a shell deflector, dust cover and A2 carry handle design.

The A2 Upper Receiver, carry handle style, complete with cuts for mounting A2 rear sight (windage and elevation). Features shell deflector, forward assist housing, and provisions for installing an ejection port cover. Precision machined from a premium-grade 7075 T6 aluminum forging and hardcoat anodized for extra strength.

A2 Furniture Kits A2 Buttstock A2 Handguards A2 Grip A2 Sights A2 Upper Receiver

Step into the realm of high-quality construction with our A2 Anodized Stripped Forged Upper Receiver for the AR15 Rifle Platform. With the classic design of the M16A2, this piece offers the perfect blend of the past's robustness and today's advanced features.

The upper is fully outfitted and ready to shoot with a 5.56x45mm NATO chamber, A2 polymer handguards, bolt carrier group, charging handle, forged A2 front sight assembly with bayonet lug, A2 flash hider, forward assist, shell deflector and ejection port door.

2 days ago · Rock River Arms A2 Forged Upper Receiver Assembly. This A2 upper features a rear sight with elevation/windage adjustability, port door, forward assist and M4 feedramps. Uses a 7075 T6 Forged Aluminum construction with black …

Carbine length gas barrel is finished off with a PSA 10.5" Lightweight Hex M-Lok Rail, a low-profile gas block and an A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability.