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NBS 11.5″ Slick Side 5.56 Nitride-Carbine M-LOK Upper Assembly
NBS 16″ .223 Wylde Gov Mid M-LOK Upper Assembly Black
Aero Precision AR-15 Complete Upper, 16″ 5.56 Carbine Barrel with Pinned FSB & M4 Handguard
Dirty Bird Industries 7.5″ 5.56 DRP Pistol M-LOK V2 Upper Assembly
NBS Sport 7.5″ 5.56 DRP Pistol M-LOK Upper Assembly
NBS 7.5″ 5.56 DRP Pistol M-LOK Upper Assembly
NBS 7.5″ Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly
NBS 7.5″ Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly
NBS 20″ 5.56 Rifle M-LOK Upper Assembly
Dirty Bird 16″ Government Midlength 5.56 M-LOK Left-Handed Complete Upper
Dirty Bird 14.5″ Pin & Weld Government V2 5.56 M-LOK Upper Assembly
Aero Precision M4E1-T 16″ 5.56 Carbine Complete Upper w/ 15″ M-LOK ATLAS S-ONE Handguard
Dirty Bird 13.7″ Government Midlength 5.56 NATO M-LOK V3 Upper Assembly
Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper
NBS Sport 16″ 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly
NBS Premium Series 16″ 5.56 Upper Assembly w/ Rosco Barrel and Geissele MK14 Handguard
NBS Premium 16″ .223 Wylde Gov Mid M-LOK Complete Upper
NBS 8.5″ .300 BLK Pistol M-LOK Upper Assembly
NBS 16″ 5.56 Left Handed Complete Upper
NBS 10.5″ 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly
Dirty Bird Slick-Side 16″ 9mm 1:10 M-LOK Complete Upper
Dirty Bird 16″ Side-Charging 5.56 NATO Govt M-LOK Complete Upper
Dirty Bird 14.5″ Pin & Weld Government V2 5.56 M-LOK CA Compliant Complete Upper – Black
Dirty Bird 16″ 5.56 NATO Govt M-LOK Quad Rail Complete Upper
Dirty Bird Brand AR-15 Parts
