5.56x45mm NATO Rifles

BCM 5.56 NATO Midlength Barreled Upper - MCMR-15 - 16"

Ballistic Advantage 14.5" 5.56 Government Profile Midlength AR-15 Barrel Modern Series w/ FSB Circular Handguard Cap and Delta Ring Assembly 1:7 Twist

Aero Precision M4E1 Builder Set w/ 9.3" ATLAS R-ONE M-LOK Handguard - Chocolate Chip Camo

Aero Precision M4E1 Builder Set w/ 15" ATLAS S-ONE M-LOK Handguard - OD Snakeskin

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

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

11.5" 5.56 NATO 1:7 Twist 4150V Black Nitride Carbine Barrel

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

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

NBS 20" 5.56 Rifle Quad Rail Upper Assembly

NBS 20" 5.56 Rifle M-LOK Upper Assembly

NBS 16" Gov Mid M-LOK Upper Assembly - Black

NBS 16" 5.56 SOCOM Quad Rail Complete Upper

NBS 16" 5.56 Left Handed Complete Upper

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

Anderson Compmag 5.56 M-LOK AR-15 Rifle + 1000 rounds of Winchester 5.56 Ammo Bundle

NBS Mil-Spec 16" 5.56 NATO 30Rd Semi-Auto M-LOK Midlength AR-15 Rifle - Black

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

BCM 5.56 NATO Mid-Length BHF Barreled Upper - MCMR-15 - 16"

Thunder Beast .30 DOMINUS-K-SR Suppressor - Black

Stag Arms 15 16" 5.56 NATO 10rd Semi-Auto Left Handed Tactical Rifle - Black

Arsenal Inc. Rear sight assembly for 7.62x39 and 5.56x45 calibers 800 meters Arsenal Bulgaria

One Horse OH-15 5.56 NATO Mid-Length Semi-Automatic CA-Compliant AR-15 Rifle

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