Receiver Parts

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver

Daniel Defense DD4 RIII S 5.56 Nato Complete Upper Receiver - 11.5" FDE

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

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

Bravo Company MFG (BCM) AR-15 Upper Receiver BFH(.2.23/5.56) 11.5

Bravo Company MFG (BCM) AR-15 BFH 11.5" Carbine Length Upper Receiver Group w/ BCM MCMR-10 Handguard

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

Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"

Sig Sauer MCX-SURG 5.56 NATO Suppressed Upper Receiver Group Upgrade Kit - 11.5"