Only one left and Item is new in original packaging, never installed.
Series/Collection: Gen. 3
Size: 1-3/16-16
Material: 7075 CNC Machined Billet Aluminum
Finish: Hardcoat Anodized Black
Application: Gas Piston and Direct Impingement Systems
For Use With: AR-15 Style Rifle
Caliber: 223 Remington/5.56x45mm NATO
Hinge Dimensions: 1.3" L x 3-11/16" H
Hinge Weight: 6 oz, BC - Extension 2.2 oz

The Sylvan Arms folding hinge stock adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. Specifically designed for gas piston and direct impingement systems 5.56 to 308 systems, as well as 223 compatible, it has standard 1-3/16-16 TPI thread and does not require any additional parts to be used with standard BC groups. It is CNC machined in the USA from 7075 billet aluminum, making it uniquely lightweight and corrosion resistant. This assembly weighs only 6 oz. No special tools required, only a standard armorer's wrench. The product does not need to be disassembled in order to install it on to your rifle/pistol. Simply screw on, fold, and carry.

Features:
Fits all platforms 223/5.56 to 308 and 9mm with Sylvan Arms 9mm bolt conversion with 5/8 inches ID (0.625) standard size bolt carrier
Designed, built, and assembled in the USA
Limited lifetime warranty