Sylvan Arms Folding Hinge Stock Adapter - Gen 3

Sylvan Arms Gen 3 Folding Hinge Stock Adapter (SYARH300)

Maximize your rifle’s portability without sacrificing performance with the Sylvan Arms Folding Hinge Stock Adapter - Gen 3. Engineered to significantly reduce your rifle or pistol's overall length for effortless storage and transport, this adapter is a must-have upgrade for tactical shooters and firearm enthusiasts.

Proudly CNC-machined in the USA from robust 7075-T6 billet aluminum, this adapter offers exceptional strength while weighing a mere 6.0 ounces. Finished with a durable hard-coat black anodizing, it provides superior corrosion resistance for rugged, all-weather use.

Installation is quick and straightforward—no complex disassembly is required, and it installs easily using a standard armorer's wrench. Designed to integrate seamlessly with standard bolt carrier groups, it requires no extra parts for standard setups.

Key Features & Benefits

• Compact Storage: Quickly fold your stock to reduce rifle length for compact stowing, backpacking, and travel.
• Lightweight & Durable: Precision CNC-machined from 7075 billet aluminum for maximum strength-to-weight ratio (assembly weighs only 6.0 oz).
• Easy Installation: Mounts directly onto standard 1-3/16” x 16 threads using only a standard armorer's wrench—no disassembly needed.
• Versatile Compatibility: Works with direct impingement and gas piston systems (.223, 5.56, up to .308), plus most 9mm setups (using the included bolt extension).
• Made in the USA: Backed by a limited lifetime warranty for ultimate peace of mind.

Specifications

• Material: 7075 CNC-machined billet aluminum
• Finish: Hard coat black anodized
• Thread Specs: 1-3/16” x 16
• Dimensions: Hinge length: 1.3 inches | Total length added: 3 11/16 inches
• Weight: Hinge: 6.0 oz | Bolt Carrier Extension: 2.2 oz
• Compatibility: Platforms .223 / 5.56 to .308, and most 9mm bolt carriers (with included extension)
• Warranty: Limited Lifetime