Description
Sylvan Arms AR15 & AR9 Folding Stock Adapter Gen 3 – Black
The Sylvan Arms AR-15 and AR-9 Folding Stock Adapter allow 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 .223 / 5.56 to .308 systems, it has standard 1-3/16” x 16 thread and does not require any additional parts to be used with standard Bolt Carrier Groups.
It is a 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 are required; only a standard armorer’s wrench. The product does not need to be disassembled in order to install it onto your rifle/pistol. Designed, built, and assembled in the U.S.A.
Simply screw on, fold and carry!
Mfr Part: ARH300
Color: Black
Finish: Hardcoat Anodized
Material: 7075-T6 Billet Aluminum
Weight: 6 oz (Housing) / 3.1 oz (Bolt Carrier Extension)
Length: 2 in (additional length of pull)
Thread specifications: 1-3/16″ X 16
Hinge dimensions: 3 11/16 in
Hinge length: 1.3 in
Fits: .223/5.56 to .308 & most 9mm
Platform: AR-15 / AR-308
Features:
– CNC machined from 7075 billet aluminum
– Fits .223/5.56 to .308 and most 9mm platforms
– 9mm bolt carriers with standard sizing, 5/8 ID (.625) can use the included bolt extension after removing the pin and weight from the back of the BCG
– For smaller diameter BCG’s, 17/32 .531 bolt extensions are available here separately through Sylvan Arms
– 300 blk (blackout) compatible
– Adds 2 inches to the length of pull
Includes:
(1) AR15 & AR9 Folding Stock Adapter Assembly Gen 3 – Black
(1) .625 Bolt Carrier Extension
(1) Hinge Tube Lock
(1) Castle Nute
Click here for Installation Instructions.









