AK Side Folding Stock (standard straight tang receivers) | UTG Pro

Update your AK platform with the UTG PRO® AK Side-Folding Stock — a right-folding, glass-fiber reinforced polymer stock engineered for stamped straight-tang receivers. It deploys instantly to one of five preset length-of-pull positions, includes rubberized non-slip buttpad and configurable QD sling mount housings, locks solidly when deployed, and folds for compact storage while staying compatible with side-mounted optics. Proudly designed and manufactured in the USA.

• Made in USA — high quality manufacturing and counted as one U.S. part for 922(r) compliance.

• Right-side folding — preserves clearance for side-mounted optics, folds compact for transport and storage.

• Fast 5-position LOP — spring-loaded quick deployment to a preset preferred length (0.71 in / 18 mm increments).

• Ambidextrous QD options — rear and front QD housings configurable to suit your sling setup.

• Durable build — impact & heat resistant glass fiber reinforced polymer with reinforced push-button lock/unlock.

• Ergonomic — angled, rubberized non-slip butt pad and compatibility with common aftermarket cheek risers.

Features

• Designed for most common stamped AK receivers with straight tang (no receiver modification required).

• Counts as one U.S. made part for compliance with 18 U.S.C. § 922(r).

• Adjustable 5-position LOP with spring-loaded quick deployment and preset deployment stop.

• QD sling swivel housings configurable left/right at rear and left front side.

• Locks securely when deployed; positive retention while folded.

• Glass fibre reinforced matte-black polymer — lightweight, robust, heat & impact resistant.

• Angled rubber butt pad for recoil control and comfortable shoulder purchase.

• Compatible with common aftermarket cheek risers.

• Patent protected (US PAT. 11067360; 11592264; 11598604).

Specs

• Weight: 19.5 oz (553 g)

• Material: Glass fibre-reinforced polymer

• Stock Positions: 5 (0.71 in / 18 mm increments)

• LOP Collapsed: 13.59 in (345 mm)

• LOP Extended: 16.42 in (417 mm)

• Height: 5.35 in (138 mm)

• Length: 10.69 in (272 mm)

• Width: 1.95 in (50 mm)

• Torque Spec: 50 in-lb mounting bolt

• Buffer Weight: Standard Carbine (3.0 oz)

• Fold Direction: Right-side folding

• Compliance: Counts as one US-made part (922R)

• Patents: US PAT. 11067360 | US PAT. 11592264 | US PAT. 11598604

Compatibility & installation notes

• Fits stamped AK receivers with straight tang—most common factory stamped receivers require no modification.

• Folds to right to preserve side-mounted optics; ideal if you run optics on the left receiver rail.

• Follow torque spec (50 in-lb) for mounting bolt to ensure secure fit and consistent lockup.