SilencerCo SU4766 SCO15 Lower Receiver Black Anodized Finish 7075-T6 Aluminum Material for AR-15

Smith & Wesson 812000 Receiver 223 Rem/5.56x45mm NATO 7075-T6 Aluminum Black for S&W M&P15

Spikes STLS015 Punisher Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

Spikes STLS019 Spider Stripped Lower Receiver with Billet Markings Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

Spikes Tactical STSB920 Upper/Lower Set AR-15 9mm Compatible w/Glock Mags, Black Hardcoat Anodized

Strike ARELRPLT Lower Parts Kit Enhanced AR-15

Strike Industries ARELRPTH Lower Parts Kit Enhanced with Trigger AR-15

Tactical Solutions, X-Ring VR Receiver, Semi-automatic, 22LR, Black Finish

TacFire LPK02B308 AR-10 Lower Parts Kit 308 Win Black PGAR-B Pistol Grip Grip

TACSOL XRA2-GMG XRING RECEIVER 22LR GUN METAL GRAY

TACSOL XRA2TDMB MATTE BLACK TD RECEIVER

Tactical Solutions XRA2TDQS X-Ring Receiver Set

Tapco TAP22037 Lower Parts Kit AR-15 Platform Black

Wilson Combat TRLOWERKB15 Lower Receiver Kit Rifle Universal

Xtech Tactical XTT138LPK Lower Parts Kit Black

Yankee Hill 125 Stripped Lower Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized for AR-15