AR-15

Aero Precision

Aero Precision APAR600002C M4E1 AR-15 Stripped Lower Receiver in Flat Dark Earth Cerakote Finish

Spike's Tactical

Spikes Tactical STLS920 Stripped Lower Receiver for 9mm AR-15 with Glock Magazine Compatibility

Aero Precision

Aero Precision M4E1 Pro Lower Receiver APAR600030AC for AR-15 Builds

Aero Precision

Aero Precision M4E1 Pro Lower Receiver APAR600031AC for AR-15 Builds

Aero Precision

Aero Precision M4E1 Pro Lower Receiver APAR600032AC for AR-15 Builds

Yankee Hill Machine Company

Yankee Hill YHM 125 Stripped AR-15 Lower Receiver in 5.56x45mm NATO, Black Anodized Aluminum

Aero Precision

Aero Precision M4E1 Lower Strp Freedom Edition with Black Anodized Finish - APAR600005C

Wilson Combat

Wilson Combat Forged Lower Receiver AR-15 Billet - Black Armor-Tuff Finish