Stocks / Braces / Slings
Explore our premium selection of HK-specific stocks, braces, and slings at HKParts, designed to enhance comfort and functionality for a variety of HK models. Our offerings include adjustable braces, tactical slings, and folding stocks, perfect for upgrading your HK MP5, HK416, or UMP. Whether for tactical use or recreational shooting, our durable and versatile accessories provide superior firearm support and stability.
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HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
HKP HK Parts
$229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your...HKP-17175$229.95 -
HK G36 Cheek Riser for Folding Stock
Haga Defense
$82.00Haga Defense Cheek Riser for HK G36, HK G36C, HK G36K, HK G36 .22LR Folding Stocks Cheek riser for HK G36 rifles and compatible stocks. Raises cheek weld by ~20mm for proper sight alignment with iron...HKP-22359$82.00 -
On Sale
B&T USW A1 Complete Folding Stock Assembly
B&T Brugger & Thomet
Now: $113.72Was: $162.45B&T USW A1 Complete Folding Stock Assembly Swiss B&T manufactured tactical folding stock assembly. Includes polymer stock and all four hardware pieces as shown. Compatible With:HKP-18356Now: $113.72Was: $162.45 -
On Sale
HK91, G3 Adjustable Tactical Folding Stock
Choate
Now: $97.97Was: $139.95HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific...HKP-00884Now: $97.97Was: $139.95 -
On Sale
AR-15 Commercial Buffer Tube
HKP HK Parts
Now: $12.71Was: $24.95AR-15 Commercial Buffer Tube Compatible With: All AR-15 style platforms Not correct length for HK riflesHKP-02728Now: $12.71Was: $24.95 -
HK German Ambidextrous Sling Pin Replacement O-Ring
H&K Heckler & Koch
$5.95H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common...HKP-19985$5.95 -
SB Tactical SBM4 Pistol Stabilizing Brace
SB Tactical
$74.99SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes:<HKP-17903$74.99 -
HK416, MR556 Buffer Tube - Enhanced - Commercial
H&K Heckler & Koch
$249.95HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube...HKP-15424$249.95 -
Out Of Stock
HK UMP Lower Backplate
H&K Heckler & Koch
$34.95HK Heckler and Koch .40 S&W, .45 ACP, 9mm Lower Backplate for HK UMP HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$34.95 -
HK UMP, USC Sling Pin, Stock Block B
HKP HK Parts
$49.95HKP Stock Block B Sling Pin for HK UMP, and HK USC .40 S&W / .45 ACP / 9mm The original thumb screw version for all stock block B's. Compatible with:HKP-21504$49.95 -
HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Alpine Green - Surplus
H&K Heckler & Koch
$129.95HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green...HKP-18934$129.95 -
On Sale
HK MP5K to G3 Stock or Brace Adapter
HKP HK Parts
Now: $72.64Was: $113.95HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed for a secure and sturdy connection, it's an excellent...HKP-21853Now: $72.64Was: $113.95