Receiver Parts

Sons of Liberty Gun Works M4-76 5.56 AR-15 Upper - 10.5"

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

Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 11.5" (Phosphate BCG)

Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 16" (Phosphate BCG)

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"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-13 Handguard - 14.5"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Carbine Upper Receiver Group w/ MCMR-10 Handguard - 11.5"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-15 Handguard - 16"

Sharps Bros AR-15/M4 .223 Wylde Complete Upper Receiver - 16"

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver

Maxim Defense MDX 508 5.56 Mil-Spec Complete Upper - 8.5"

Rainier Arms RUC PRO Mk1 Riflespeed Partial Upper Receiver - 11.5"

Rainier Arms RUC PRO Mk1 5.56 NATO Riflespeed Partial Upper Receiver - 12"

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 14.5" FDE

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