Designed in conjunction with Die Free Co. for platforms capable of accepting a mil-spec carbine receiver extension, the 5-position adjustable SBA6 improves the minimalist design standard set by the renowned SBA3 and greatly enhances the usability of the firearm by adding an additional point of contact for stabilization. Product Features Improves the minimalist design of the SBA3 5-position adjustable Integral ambidextrous QD sling socket Comes with adjustable nylon strap for custom fit Made in the USA Product Specifications Weight: 8.5oz Length: 6.5 Brace Only, 7.1 Collapsed, 9.5 Extended Strap Width: 1 Width(max): 1.6 Cavity Depth: 6.1 Please check with your state regulations for ownership of Restricted Parts.