Results for 5.56x45mm NATO Complete Uppers

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

NBS 16" 5.56 SOCOM Quad Rail Complete Upper

NBS 16" 5.56 Left Handed Complete Upper

Smith and Wesson Complete Uppers 5.56 16" Furniture Magpul PD Trade-In

One Horse 16" 5.56 SOCOM Midlength 1:7 M-LOK Upper Assembly

One Horse 16" 5.56 SOCOM Midlength 1:8 M-LOK Complete Upper

NBS 7.5" Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly

Aero Precision M4E1-E 16" Mid 5.56 Complete Upper, No Forward Assist, EM15 Handguard - Black

Aero M4E1-E Complete 16" Upper, 5.56 Mid Hanson Barrel, 15" Enhanced Handguard - Black

NBS 16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper

10.3 Carbine 5.56 Government M-LOK Upper Assembly

8 Pistol 5.56 Government M-LOK Upper Assembly

8" 5.56 Government Pistol M-LOK Upper Assembly

16 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly

NBS 14.5 5.56 Phosphate + Chrome-Lined Carbine M-LOK M4 Upper Assembly

NBS 16 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper

NBS 16 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly

NBS 16 5.56 Black Nitride Carbine M-LOK Government Upper Assembly

16 5.56 Phosphate Carbine M-LOK Government Upper Assembly

20 5.56 Phosphate Rifle M-LOK Government Upper Assembly

16 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly

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

NBS 16 5.56 Phosphate Carbine M-LOK M4 Upper Assembly

NBS 14.5" 5.56 NATO M4A1 SOCOM Carbine Complete Upper w/ FSB