HECKLER AND KOCH (HK USA) FOLDING STOCK SP5K BLACK

Description

The Heckler & Koch SP5K Folding Stock is the factory-spec collapsible shoulder stock designed specifically for the SP5K platform. Because the SP5K uses a two-pin brace attachment point rather than the single-pin setup found on the full-size SP5, this stock is not interchangeable between the two models — it mounts only to the K-variant’s rear receiver interface. That specificity matters: a stock engineered to the original dimensional tolerances seats without play, which keeps the cheekweld consistent from shot to shot.

Construction draws on a collaboration between H&K’s German manufacturing and B&T’s Swiss facility. The result is a polymer and steel assembly. The folding mechanism is the central functional appeal here: it allows the overall package to collapse significantly compared to the fixed or extended position, which suits a role where the firearm needs to be stored or staged in a confined space. When deployed, the stock locks up firmly — a loose hinge undermines the point of a shoulder stock entirely, and the B&T-sourced mechanism addresses that directly. The stock ships with an HK sling swivel, so you can configure a carry setup without sourcing a separate attachment point. Finish is black, matching the SP5K’s standard receiver aesthetics. Compatibility extends to the MP5K and SP98 platforms as well, giving owners of those firearms the same fitment option.