Sylvan Arms Gen4 Folding Stock Adapter – AR-10/AR-15/AR-9 (Left Fold)

Sylvan Arms Gen4 Folding Stock Adapter  – Upgrade your rifle’s adaptability with the Sylvan Arms Gen4 Folding Stock Adapter — the ultimate solution for space-saving, tactical folding functionality. Compatible with AR-10, AR-15, and AR-9 platforms, the Gen4 model introduces enhanced durability, tighter tolerances, and a smooth left-side folding design for streamlined transport and rapid deployment.

Sylvan Arms Gen4 – Built to Fold. Engineered to Perform.

Key Features of Sylvan Arms Gen4 Folding Stock Adapter – AR-10/AR-15/AR-9 (Left Fold)

Universal Fit Across AR Platforms

• Works with AR-10, AR-15, and AR-9 rifles and pistols using standard carbine buffer tubes.

• Compatible with both mil-spec and commercial buffer tubes.

Left Side Folding Design

• Folds to the left side for a more natural and tactical-friendly profile.

• Keeps the charging handle and fire controls unobstructed while folded.

Upgraded Gen4 Enhancements

• Reinforced 4140 hardened steel locking mechanism for superior strength.

• Redesigned bolt carrier extension and internal geometry to improve reliability and longevity.

• Compatible with .223, 5.56, .308, 9mm, and more.

Tool-Free Installation

• Quick and simple to install – requires no permanent modifications to your firearm.

• Easily field-serviceable with standard tools.

Compact, Mission-Ready Profile

• Folds your stock for easy storage, transport, or confined maneuvering.

• Ideal for tactical bags, vehicles, or tight quarters use.

Why Choose Sylvan Arms Gen4 Folding Stock Adapter?

Sylvan Arms leads the industry in high-performance folding stock solutions. The Gen4 is their most robust and versatile version yet, combining heavy-duty construction with seamless compatibility and enhanced function.

✅ Built for AR-10/AR-15/AR-9 platforms
✅ Supports high-caliber recoil (up to .308)
✅ Hardened steel internals for max durability
✅ Folds left – preferred by tactical shooters
✅ Trusted by law enforcement, 3-gunners, and serious builders

FAQ

Q: Does this adapter affect accuracy or reliability?
A: No. The Gen4 adapter is engineered to maintain full function, zero POI shift, and reliability when deployed or folded.

Q: Can I fire my AR with the stock folded?
A: No. Firing with the stock folded is not recommended. The rifle must be in its open, locked position for safe operation.

Q: Will it work with my pistol-caliber AR-9?
A: Yes! The Gen4 is fully compatible with 9mm AR-style PCCs.

Q: How does this compare to Law Tactical?
A: The Gen4 is lighter, more affordable, and includes a buffer extension — making it a strong competitor for AR builders seeking premium function at better value.

Specifications of Sylvan Arms Gen4 Folding Stock Adapter

• Model: Sylvan Arms Gen4 Folding Stock Adapter

• Compatibility: AR-10 / AR-15 / AR-9 (Standard BCGs and buffer tubes)

• Material: 7075 Aluminum body / 4140 Steel internals

• Fold Direction: Left

• Buffer Compatibility: Mil-Spec and Commercial

• Weight: Approx. 6.0 oz

• Finish: Black Hardcoat Anodized

• Includes: Bolt Carrier Extension

• Country of Manufacture: USA

Fold it. Store it. Deploy it. Dominate with it.
The Sylvan Arms Gen4 Folding Stock Adapter gives you the edge in transport, storage, and CQB maneuverability — all while maintaining the dependability your AR platform demands.
Don’t just build — upgrade with purpose.