Shop 84 Deals on Rock River Arms Upper Receivers

Rock River Arms RRAGE 3G 16" Classic Upper 5.56x45mm 1:8 M-LOK Carbine-Length with BCG and CH, Black - High-Performance - BB0470

Rock River Arms MID A4 16" Classic Upper .450 Bushmaster 1:24 M-LOK Mid-Length with BCG and CH, Black - Enhanced Durability - 450B0592

Rock River Arms CAR A4 16" Classic Upper .350 Legend 1:16 M-LOK Carbine-Length with BCG and CH, Black - Precision Carbine - 350L0328

Rock River Arms Coyote Carbine 16" Classic Upper .300 AAC Blackout 1:8 M-LOK Pistol-Length with BCG and CH, Black - BLK0592

Rock River Arms Tactical Carbine 16" Classic Upper .458 SOCOM 1:14 M-LOK Carbine-Length with BCG and CH, Black - Power and Precision - SOC0564

Rock River Arms A4 SS 16" Classic Upper .450 Bushmaster 1:24 M-LOK Mid-Length with BCG and CH, Black - 450B0461

Rock River Arms NM A4 20" Classic Upper .223 Wylde 1:8 M-LOK Rifle-Length with BCG and CH, Black - Elite Accuracy - AR0784

Rock River Arms Legend CAR 16" SS Classic Upper .350 Legend 1:24 M-LOK Carbine-Length with BCG and CH, Black - 350L0326

Rock River Arms CLB 16" Classic Upper .458 SOCOM 1:14 M-LOK Carbine-Length with BCG and CH, Black - Heavy Duty Performance - SOC0820.V1

Rock River Arms LAR-15M All Terrain Hunter Complete Upper .223 Wylde 18 Barrel

Rock River Arms AR-15 R3 Competition Upper Receiver Assembly 223 Wylde 18" Stainless Steel Barrel 15" M-LOK Handguard Black

Rock River Arms AR-15 A2 Upper Receiver Assembled Matte

Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel

Rock River Arms AR-15 A4 Upper Receiver Assembly 22 Long Rifle 20" Stainless Steel Barrel 13" Handguard Black

Rock River Arms AR-15 Upper Receiver Assembly 9mm Luger 4.5" Barrel M-LOK Handguard

Rock River Arms AR-15 A2 Upper Receiver Stripped Matte

Rock River Arms AR-15 Upper Receiver Assembly 5.56x45mm 16" Barrel 7.25" M-LOK Handguard

Rock River Arms AR-15 R9 Upper Receiver Assembly 9mm Luger 16"Stainless Steel Barrel 15" M-LOK Handguard Black

Rock River Arms AR-15 Varmint A4 Upper Receiver Assembly 223 Wylde 18" Stainless Steel Barrel 13" M-LOK Handguard Black

Rock River Arms AR-15 A4 Upper Receiver Assembly 9mm Luger 10.5" Chrome Moly Barrel 6" Handguard Black

Rock River Arms AR-15 A4 Upper Receiver Assembly 223 Remington (Wylde) 16" Chrome Moly Barrel M-LOK Handguard Black

Rock River Arms AR-15 Upper Receiver Assembly 5.56x45mm 16" Barrel 11" M-LOK Handguard

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel with Gas Block

Rock River Arms AR-15 A4 Upper Receiver Assembly 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black