Upper Receivers

Spikes Tactical Upper 5.56 16in M4 LE w/13.2in BAR2 Rail

Spikes Tactical Upper 5.56 16in M4 LE w/7in BAR2 Rail & FSP

Daniel Defense DDM4 ISR UPPER REC R GROUP 300 AAC BLACKOUT

Aero Precision M4E1-T Complete Upper .223 Wylde 18in Rifle Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black

Aero Precision M4E1 AR15 .223 Wylde 18 inch SS QPQ M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Cerakote FDE

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black

Aero Precision AR15 Stripped Upper Receiver Uncoated

Aero Precision M5 Threaded Stripped Upper Receiver Uncoated

Aero Precision Complete Upper Receiver M5E1 20in 6.5 CM SS Rifle Barrel EM-15 HG Gen 2 FDE

Aero Precision C.O.P. M4 Mid-Length Upper Receiver Minimalist Kit - Anodized Black

AERO PRECISION VG6 Gamma 7.62

AERO PRECISION VG6 Gamma 556

Mrp-L M-Lok 5.56mm Assembled Upper Receiver - Mrp-L M-Lok 5.56/300 Blk 9.25'''' Assembled Upper Receiver

LMT Defense AR-15 Flat Top Stripped Upper Receiver

LMT LM8MRP Upper Receiver 30rd 12" 5.56x45

Lewis Machine and Tool Flat Top Barreled AR-15 Upper Receiver - 5.56 - 10.5"

Lewis Machine and Tool Flat Top Barreled AR-15 Upper Receiver - 5.56 - 16"

CAA MICRO CONVERSION KIT SIG SAUER P320 FULL/COMPACT 9MM/40 S&W MOBL

RADICAL FIREARMS MHR 5.56 NATO 7.5" 30rd - Black

Desert Tech SRS A2 7mm Rem Mag 26" RH 5rd Conversion Kit SRS-CK-F26R

American Tactical M4 Stripped Upper Receiver

ATI AR15 300BLK PSTL KIT 8.5\" PSTL BFFR ASSY LWR PRT KIT FRGD ALM UPR FFQUAD OP-RDY

Phase 5 Weapon Systems Inc Complete P5T15 Rifle Upper Assembly 5.56mm 16 Inch Chrome Lined Barrel