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This is the genuine Heckler & Koch side-folding buttstock built for the SP5K and MP5K platform, and it's the same part you'll find on factory PDW guns. It replaces the standard butt cap and folds to the right side, which knocks the overall length down for transport, storage, or tucking into a bag without pulling the stock off. Construction is a mix of polymer and steel, made in collaboration between HK's German facility and B&T's Swiss shop, so you're getting a component that holds up to real use rather than a bargain clone.
Running a K-model without a stock is doable, but adding this piece changes the whole experience. The butt pad gives you a real shoulder point, which helps with control and repeatable cheek weld, and it's a favorite move for anyone who wants a more capable range gun or a compact truck setup after the paperwork side is handled. The folding hinge is smooth and locks up solid, so it doesn't feel loose or rattly when deployed.
This stock is made specifically for the MP5K and SP5K family, including guns chambered in 9mm and other K-pattern calibers. Worth knowing up front: it will not fit the full-size SP5 or MP5, only the compact K variants. Installation is straightforward and swaps in at the rear of the receiver where the butt cap sits, though many folks like having a gunsmith confirm everything on an HK part since the tolerances are tight.
There's a sling loop on the stock, which gives you a rear attachment point to work with. A single-point sling tends to be the crowd favorite on K guns because of how short and handy the platform is, but the loop leaves you room to run your own setup. Paired with a folding stock, it makes for a package that stays compact when you need it and shoulders like a proper carbine when you don't.
No, this stock is built only for the compact K-pattern guns, meaning the SP5K and MP5K. The full-size SP5 and MP5 use a different mounting setup and are not compatible. If you're running a K variant, you're good to go.
It replaces the factory butt cap at the rear of the receiver and installs in a straightforward manner. Many owners report it goes on quickly, though it's smart to have a gunsmith verify the fit on any HK component since tolerances are precise. Once mounted, the hinge folds to the right to shorten the overall length.
This is the real factory buttstock, made through a collaboration between HK's German manufacturing and B&T's Swiss facility. It's the same folding stock found on factory PDW guns, built from polymer and steel to HK's standards.
Yes, the stock includes a sling loop that gives you a rear attachment point. A single-point sling is the popular choice for K-model guns because of how compact the platform is, but the loop leaves the door open for other setups you might prefer.
| UPC | 642230255807 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 261249 |
| Length | 10.5 |
| Package Height | 2.8 |
| Package Width | 9.0 |
| Product Type | Accessory-Stocks |
| Shipping Weight | 0.791 |
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