5.56x45mm NATO Gun Parts

White Label Armory AR15 Lower Parts Kit Phosphate for Standard AR-15

Geissele Automatics Geissele Super Duty MOD1-A 5.56mm 12.5" Bbl Ambidextrous DDC Pistol 08-673S

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 12.5" Cold Hammer Forged Barrel M-LOK DDC

AR-STONER AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel Mid Length 15" M-LOK Handguard

Sons Of Liberty Gun Works M4-L89 Upper Receiver Group 5.56 14.5 P&W Barrel

Colt Firearms LE6920CK-NHG Upper Kit Black 5.56NATO/.223Rem 16-inch

TPS Arms AR-15 Lower Parts Kit

WMD Guns Carbine Buffer Tube Nickel Nib-X for AR-15/M16

Cobalt Kinetics CK-Pro Urg Complete Upper 5.56 14.5 Barrel

Noveske Recon Match AR-15 Barrel 5.56x45mm NATO 16" Medium Contour 1:7" Twist Bead Blasted Satin Grey with Headspaced Bolt and Low Profile Gas Block

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard Black

AERO PRECISION M4E1 Threaded Complete Upper 16" 5.56 Barrel w/ 15" M-LOK ATLAS R-ONE Handguard - BLK

AERO PRECISION AR15 Complete Upper 16" 5.56 M4

Ghost Mother of All Baseplates +5 Rounds Fits Magpul Gen3 AR PMAGS

Midwest Industries AR-15 Barreled Upper Receiver 223 Remington (Wylde) 16" Barrel 15" Handguard

Geissele CHF AR-15 Barrel 5.56x45mm NATO 14.5" Heavy Contour 1:7" Twist

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 10.3" Cold Hammer Forged Barrel M-LOK DDC

AR-STONER AR-15 Pistol Kit 10.5" Barrel 5.56x45mm NATO

Guntec USA Complete AR-15 Lower Parts Kit

San Tan Tactical STT-15 Billet AR-15 Ambidextrous Stripped Lower Receiver Anodized Black

Sons of Liberty Gun Works M4-L89 Complete Upper 5.56 11.5 Threaded Barrel w/ L89 Rail

Q Sugar Weasel Complete Upper 5.56 13 Barrel

Noveske Afghan AR-15 Barrel 5.56x45mm NATO 14.5" Lightweight Contour 1:7" Twist Cerakote with Headspaced Bolt and Low Profile Gas Block

Aero Precision AR-15 M4E1 Barreled Upper Receiver 5.56x45mm NATO 16" Barrel Atlas S-One M-LOK Handguard Black