Upper Receivers

Cross Machine Tool UPUR-4 Billet AR-15 Upper Receiver - Slick Side

Cross Machine Tool UPUR-3A Big Bore Billet AR-15 Side Charging Upper Receiver - Slick Side

Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover

NBS 22 .243 Winchester Lightweight Rifle M-LOK 1:8 AR-10 Stainless Slick-Side Complete Upper

NBS 16 .308 Heavy Midlength M-LOK 1:10 AR-10 Slick-Side Complete Upper

NBS 16 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly

NBS 16 6.5 Grendel M4 Carbine M-LOK Upper Assembly

NBS 16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper

NBS 16 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly

Foxtrot Mike 16" .223 Wylde Lightweight Intermediate M-LOK Complete Upper

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

NBS 7.5" 5.56 DRP Pistol Quad Rail Complete Upper

Aero Precision EPC-9 Builder Set w/ 7.3" ATLAS R-ONE Handguard - MTC Dark Camo

NBS 14.5" (16" Overall) Mid-Length 5.56 NATO 1:7 Complete Upper w/ FSB and Pinned/Welded VG6 Precision Epsilon Muzzle Brake

NBS 16" Carbine 5.56 NATO 1:7 Complete Upper

Foxtrot Mike FM-15 GEN 2 13.9" Front Charging .223 Wylde Midlength AR-15 Complete Upper

Foxtrot Mike Products 16" Rear Charging .45 AR-15 Complete Upper

Foxtrot Mike Products 16" Rear Charging 9mm AR-15 Complete Upper

V Seven Weapon Systems Harbinger .308/7.62 Receiver Set

AR15-A3 Forged Stripped Upper Receiver, Mil Spec w/ Hard Black Anodized Finish

Stern Defense AR-15 Assembled Forged Upper Receiver

Stag Arms 16" 15 L Tactical M-LOK/Quad Rail Midlength Left-Handed Upper Assembly - CA Compliant

Stag Arms 16" 15 L Tactical M-LOK Midlength Left-Handed Complete Upper-CA Compliant

Stag Arms AR-15 10.5" 5.56 Tactical M-LOK Carbine Left-Handed Complete Upper