Upgrade your stamped receiver AK platform with the Arsenal Inc. left-side folding polymer buttstock in plum. This US-made Warsaw-length stock delivers reliable folding performance and premium aesthetics while maintaining full compatibility with 4.5mm pivot pin setups.
Key Features
- Left-side folding design with smooth hinge mechanism accepts a 4.5mm pivot pin for secure, repeatable deployment and compact storage
- Plum polymer construction provides lightweight durability and a distinctive finish that resists scratches and weather
- Ribbed metal butt plate with integrated trap door stores a cleaning kit (sold separately) for field maintenance convenience
- Scope rail recess and smooth-turning sling swivel enhance versatility for optics and carrying options
- Buttstock catch release button ensures quick, positive locking in both folded and extended positions
Benefits for Shooters
This direct replacement for metal triangle folders reduces weight without sacrificing strength, improving maneuverability in tight spaces or during transport. The folding mechanism solves storage and transport challenges while the trap door keeps essential tools accessible. US manufacturing supports 922R compliance efforts for your build.
Specifications
- Length: Warsaw Pact (extended)
- Weight: 9 oz
- Dimensions: 9″ L x 1.5″ W x 5″ H
- Color: Plum polymer
- Pivot pin hole: 4.5mm
- Compatibility: Stamped receivers with 4.5mm side-folding rear trunnions; direct replacement for metal stocks
- Origin: Made in USA by Arsenal Inc.
Why Choose This Product
Engineered for Mil-Spec AKs, this buttstock offers a slick, reliable fold that outperforms aftermarket alternatives in fit and finish. The polymer material delivers consistent performance across temperature extremes while the metal components ensure long-term durability. Ideal for tactical, sporting, or defensive applications where a compact profile matters.
Enhance your rifle’s ergonomics and functionality today with this precision-crafted Arsenal Inc. folding buttstock.

