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” x 16 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 6.0 ounces. 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!
Specifications
Fit: platforms .223/5.56 to .308 & most 9mm : 9mm bolt carriers with 5/8 ID (.625) standard sizing can use the bolt extension included, after removing the pin and weight from the bolt carrier
Surface treatment: hard coat black anodized
Material: 7075 CNC-machined billet Aluminum
Thread specifications: 1-3/16“ X 16
Hinge dimensions: 3 11/16 inches
Hinge weight: 6.0 oz, BC – Extension 2.2 oz
Hinge length: 1.3 inches
Warranty: limited lifetime
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