For use with Gear Head Works Tailhook Pistol Brace. Heavy duty side folding mechanism constructed from 4140 steel. Can be configured to right or left folding. Modular design can accommodate different butt plate attachments. Gear Head Works Pistol Brace NOT Included End user is responsible for any ATF requirements while using pistol brace Specifications for Midwest Industries Side Folder Pistol Brace Compatible: Manufacturer: Midwest Industries Color: Black Fabric/Material: Aluminum Gun Model: AR-15 Condition: New Country of Origin: USA Gun Type: Rifle Features of Midwest Industries Mi Side Folder With Pistol Brace Adapter Picatinny Full length locking lug for maximum strength. Solid positive lock up in both positions. Steel clamp with large surface engagement. Features skeletonized aluminum lightweight beam that is hard coat anodized. Adds 7 inches to the length of the firearm in the open position. Adds of an inch to the firearm in the folded position. Complete assembly weight is 13oz. Steel parts are mag phosphate finished Package Contents: Midwest Industries Mi Side Folder With Pistol Brace Adapter Picatinny