HK MP5K / SP5K Folding Stock

HK MP5K / SP5K Folding Stock

The HK MP5K / SP5K Folding Stock is a compact folding stock designed for compatible Heckler & Koch MP5K-pattern firearms. Its folding design provides a compact profile for storage and transport while offering a stable shoulder support configuration when extended.

Manufactured by B&T (Brugger & Thomet), this Swiss-made folding stock is built to OEM specifications and designed for compatible MP5K-pattern platforms. Its combination of polymer and steel construction balances durability with a lightweight design.

Key Features

• Folding Design: Folds alongside the firearm for a compact storage profile.

• Swiss-Made Construction: Manufactured by B&T to established OEM specifications.

• Durable Materials: Combines polymer and steel components.

• Lightweight Profile: Weighs approximately 12.2 oz.

• Factory-Style Fit: Designed for compatible HK-pattern receivers using standard small push pins.

• Integrated Sling Swivel: Includes the appropriate B&T and HK sling swivel hardware.

Technical Specifications

• Brand: B&T (Brugger & Thomet)

• Product: MP5K / SP5K / SP89 Folding Stock

• Manufacturer Part Number: BT-20151-2-US

• Material: Polymer and steel

• Weight: Approximately 12.2 oz (346 g)

• Overall Length: Approximately 10 1/8 inches (257 mm)

• Mounting: Standard HK small push-pin interface

• Compatible Platforms: HK MP5K, SP5K, MP5K-N, MP5K-PDW, SP89, and compatible in-spec clones

• Country of Manufacture: Switzerland

Available at Alpha Armory.

Compatibility depends on receiver specifications and the exact firearm variant. Installing a shoulder stock on a firearm originally classified as a pistol may change its legal classification. Confirm applicable Philippine firearms regulations and licensing requirements before purchase or installation.