Receiver Parts

Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver

Rainier Arms / Rellim Arms AR-15 300BLK Take Down Barrel Assembly - 8"

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver

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

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

Aero Precision M4E1 300BLK Complete Upper Receiver w/Atlas R-ONE Handguard - 8" Black

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

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

Angstadt Arms AR-15 5.56 Complete Upper Assembly - 16"

Noveske GEN 4 Carry Handle Diplomat 300BLK Upper Receiver Group - 7.94"

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

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

Noveske AR-15 N4 5.56 NATO SPR Upper - 18"

Noveske N4 Afghan Gen 4 5.56 NATO Complete Upper - 14.5" Black

Noveske N4 Recon Gen 4 5.56 NATO Complete Upper - 16" Black

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