Shop 1,690 Deals on Complete Uppers

NBS 5 5.56 Micro 1:5 M-LOK Upper Assembly

NBS 7.5 5.56 DRP Pistol M-LOK Upper Assembly

NBS 4" Slick Side Billet 9mm Nitride Pistol M-LOK Upper Assembly

NBS 16" 5.56 M4 Carbine 1:8 M-LOK Upper Assembly - Black

NBS 10.5" Carbine M4 M-LOK 5.56 NATO 1:7 Upper Assembly

NBS 16" 300 BLK Nitride Carbine M-LOK Upper Assembly

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

NBS 16 6.5 Grendel M4 Carbine M-LOK Upper Assembly

NBS 7.5" 5.56 DRP Pistol Quad Rail Complete Upper

NBS 8 Pistol 5.56 M-LOK Upper Assembly

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

NBS 8.5" .300 BLK Pistol M-LOK Upper Assembly

NBS 11.5" Slick Side 5.56 Nitride-Carbine M-LOK Upper Assembly

NBS Sport 16 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly

20 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly

NBS 14.5" Mid-Length 5.56 NATO 1:7 Complete Upper w/ Front Sight Base

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

20 5.56 Phosphate Rifle M-LOK Government Upper Assembly

NBS 16" 5.56 Left Handed Complete Upper

NBS 7.5" Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly

16 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly

NBS 7.5 5.56 Sport DRP Pistol M-LOK Upper Assembly

NBS Premium Series 16" Upper Assembly w/ BA Barrel and Geissele MK8 Handguard

NBS 10.5 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly