Receiver Parts

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 12.5"

Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver

Maxim Defense MDX 510 5.56 NATO Mil-Spec Complete Upper - 10.3"

Sons of Liberty Gun Works M4-EXO3 5.56 AR-15 Upper - 16"

Sons of Liberty Gun Works M4-89 5.56 NATO AR-15 Upper - 10.5"

Sons of Liberty Gun Works M4-89 5.56 AR-15 Partial Upper Receiver Group - 11.5"

Q LLC Sugar Weasel Upper 5.56 NATO 13"

Bravo Company MFG (BCM) MK2 AR-15 5.56 NATO Complete Upper Receiver Group - 18"

Primary Weapons Systems .223 Wylde MK116 MOD 1-M Complete Upper - 16.1"

Maxim Defense MDX 505 PDX 5.56 NATO Mil-Spec Complete Upper - 5.5" Urban Grey

Arms Republic 9mm Complete Upper Assembly - 16"

Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"

Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"

Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 16"

Dead Foot Arms AR-15 AR-SD 9MM Upper Assembly