Shop 1,690 Deals on Complete Uppers

Aero Precision M4E1 Threaded 11.5" 5.56 R-ONE Complete Upper - Anodized Black

Dirty Bird 20" M16A1 Enhanced 5.56 Retro Upper Assembly

Foxtrot Mike Products 5" Rear Charging 9mm AR-15 Complete Upper

Foxtrot Mike 16" 9mm Front Charging Complete Upper w/ 4-Port Micro Brake

Foxtrot Mike FM-15 Gen 2 12.5" .223 Wylde Gov Mid M-LOK Complete Upper

Foxtrot Mike Products 5" Rear Charging .45 AR-15 Complete Upper

Faxon ARAK-21 16" 5.56 Ambidextrous Piston Complete Upper

Foxtrot Mike .223 Wylde Gov Mid M-LOK Complete Upper - 13.9

Foxtrot Mike 16" Rear Charging 9mm Complete Upper w/ 4-Port Micro Brake

Foxtrot Mike FM-15 Gen 2 16" .223 Wylde Lightweight Intermediate M-LOK Complete Upper

Foxtrot Mike 9" .223 Wylde Lightweight Pistol M-LOK Complete Upper

Aero Precision EPC-9 Threaded Complete Upper Receiver 8.3in 9mm w/ ATLAS S-ONE 7.3in Handguard FDE

Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel Black

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

Aero Precision AR15 Complete Upper 16in 5.56 M4 Carbine Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK

Aero Precision Complete Upper Receiver w/Flash Hider M4E1 .300 Barrel EQ-9 HG No BCG/Charging Handle Gen 2 Anodized Black 10in APAR600221Q4

CZ-USA Cz 75 Compact Magazine

Kaw Valley Precision M-Lok 9mm Complete Upper Receiver 16mm M-LOK Handguard Black Medium

DANIEL DEFENSE DDM4 V7 AR-15 Upper 300 Blackout 16 Inch

PSA 20" CHF Rifle Length 5.56 NATO 1:7 Premium Rifle Kit - 8818

Foxtrot Mike Products Mike-9 5" 9mm Upper

Foxtrot Mike Products Mike-9 10" 9mm FC Upper

Foxtrot Mike Products VFM-9 5" 9mm FC Upper