AR-AK-SMG

Aero Precision

Aero Precision M4E1 Pro Complete Lower Receiver in Kodiak Brown Anodized - APAR600196

Sharps Bros

Sharps Bros SBLR02 Warthog Stripped AR-15 Lower Receiver with Multi-Caliber Compatibility

Sharps Bros

Sharps Bros SBLR03 The Jack Stripped AR-15 Lower Receiver with Black Anodized Finish

Sharps Bros

Sharps Bros SBLR07 Overthrow Stripped AR-15 Lower Receiver - Multi-Caliber 7075-T6 Aluminum, Black Anodized Finish

Tactical Solutions

Tactical Solutions XRA2TDMB Matte Black Threaded Receiver for Firearms

Tactical Solutions

Tactical Solutions XRA2TDQS X-Ring Receiver Set for Firearms

Colt

Colt CR6960 M4 Mid Carbine 5.56x45mm NATO, 16-Inch Barrel, Collapsible Stock, Optic Ready

Colt

Colt CR6940 M4 Mono Carbine 5.56x45mm NATO with 16.10-Inch Barrel and 30+1 Capacity

Colt

Colt CR6920MPSFDE M4 Carbine with Magpul FDE Furniture, 5.56x45mm NATO, 16.1" Barrel, 30+1 Capacity

Springfield Armory

Springfield Armory Saint Victor 9mm Luger Semi-Auto Rifle with 16-Inch Barrel, Black B5 Bravo Stock and Flip-Up Sights - Part Number STV91609BLC

Springfield Armory

Springfield Armory ST VICTR 556 16-inch Rifle with 30+1 Capacity and B5 Enhanced SOPMOD Stock

Sig Sauer

Sig Sauer RM40016BROSER5X210 M400 5.56 NATO Rifle with 16-Inch Threaded Barrel and Magpul SL Stock