The toughness of Maxim Defense Picatinny Rail Mount Braces are available for your AR style pistols. Built with the same functionality and durability as our best-selling Gen-6 and Gen-7 braces for AR-15, your Picatinny Rail Mount stock finally has a brace option suited for real-world use. Solid attachment, quick deployment, and 5-positions of adjustment make this the perfect choice for your hard-use pistol. SPECIFICATIONS WEIGHT: 17.6 oz MATERIAL: 6061-T6 LENGTH: 4.5a ^2 closed 5.75a ^2 1st position 6.9a ^2 2nd position 8.13a ^2 3rd position 9.28a ^2 fully extended MAXIMUM RAIL WIDTH (INNER SPAN): 1.18a ^2 ROD WIDTH: 1.5a ^2 center to center NOTES: The Maxim SCW brace is for a variety of pistols that have a rear facing 1913 Picatinny rail mount. Each Picatinny Rail Brace comes with a QD sling mount installed. Extension tube doubles as watertight storage. Vertically adjustable in order to get the exact location of the brace so that the rods do not interfere with the controls of your pistol.