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Rock River Arms Upper Receivers

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Tactical Carbine, Complete Upper Receiver, 458 Socom, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly SOC0564

Out of stock

$789.00

Rock River Tactical Carbine, Complete Upper Receiver, 458 Socom, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly SOC0564

Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

Out of stock

$738.00

Rock River Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

Out of stock

$738.00

Rock River Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Chargin

Out of stock

$750.00

Rock River Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Chargin

RRAGE 3G, Complete Upper Receiver, 223 Remington/556NATO, 16" Barrel, A2 Flash Hider, RRA 15" Free Float M-LOK Handdguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly BB0470

Out of stock

$538.00

Rock River RRAGE 3G, Complete Upper Receiver, 223 Remington/556NATO, 16" Barrel, A2 Flash Hider, RRA 15" Free Float M-LOK Handdguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly BB0470

Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly BLK0592

Out of stock

$819.00

Rock River Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly BLK0592

Complete Upper Assembly, 223 Rem/556NATO, 16" Barrel, Black Finish, RRAGE MLOK Handguard, A2 Flash Hider BB0400

Out of stock

$344.00

Rock River Complete Upper Assembly, 223 Rem/556NATO, 16" Barrel, Black Finish, RRAGE MLOK Handguard, A2 Flash Hider BB0400