Rock River Arms

Rock River Arms .156'' 2-Stage Trigger

Rock River Arms

Rock River Arms BB0470 LAR-15M RRAGE 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

Rock River Arms

Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handgaurd, Smith Vortex Flash Hider

Rock River Arms

Rra National Match 2 Stage - Ultra Varmint Trigger Kit

Rock River Arms

Rra Bolt Carrier Group 5.56X45 - Phosphhate Full Auto

Rock River Arms

Rra Cmplt Car A4 Upr 458 Socom 16

Rock River Arms

RRA Complete Mid-Length A4 Upper Receiver 450BM 16" Barrel with 5-Round Magazine

Rock River Arms

RRA Complete Carbine A4 Upper 350 Legend 16" Barrel 10-Round Capacity

Rock River Arms