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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B&T APC Brace and Stock Adapter
MI Midwest Industries
$69.95Midwest Industries B&T APC Brace and Stock Adapter Features: Made in the USA Easy installation Adds section of picatinny rail to back of receiver for stocks, arm braces, and sling adapters Constructed of 6061 aluminum hardcoat...HKP-19673$69.95 -
HK G36 Folding Stock or Brace - HDA3
Haga Defense
$349.95HK G36 Folding Stock or Brace - HDA3 The HDA3 is a modular, USA-made stock or brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...HKP-22357-M$349.95 -
HK MP5K Adapter - Folding Stock
B&T Brugger & Thomet
$160.00B&T HK MP5K Adapter for Folding Stock Upgrade your MP5K platform with precision Swiss engineering. The B&T (Brügger & Thomet) HK MP5K Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for...HKP-22081$160.00 -
On Sale
HK MP5 QD End Cap with Buffer - Black - BLEMISHED
HKP HK Parts
Now: $49.95Was: $99.95HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this MP5 QD end cap upgrade you will get a heavier buffer...HKP-20118-BNow: $49.95Was: $99.95 -
Out Of Stock
BT-20506, 20411 - GHM9, GHM45, KH9 Brace Conversion Kit
B&T Brugger & Thomet
$130.00Brace Conversion Kit for BT-20506/20411(GHM9/GHM45/KH9) Easily convert your B&T folding stock into a brace-compatible setup with this precision Brace Conversion Kit, designed for use with BT-20506 and BT-20411 stock assemblies. This kit enables...HKP-21736$130.00 -
HK SP5 Stock With Direct Fit Adapter
Magpul
$189.95HK SP5 Stock With Direct Fit Adapter SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This is a great...HKP-21411-M$189.95 -
HK MP5, HK93 Stock - MOE SL
Magpul
$189.95Magpul HK MP5, HK94, HK93 MOE SL-K Stock Magpul MOE SL-K MP5 ,HK 94, HK93 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The SL-K is designed for compact PDW style weapons or...HKP-20490$189.95 -
Out Of Stock
HK417, MR762 E2 Concave Buttstock, Complete
H&K Heckler & Koch
$199.95H&K HK MR762/417 Buttstock Complete Concave E2 Compatible With: HK MR762 HK 417HKP-16628$199.95 -
On Sale
HK416 E1 Buttstock and Buffer Tube Combo - Commercial OTB
H&K Heckler & Koch
Now: $392.95Was: $469.95Heckler and Koch's E1 Buttstock and OTB Buffer Tube Combo - Commercial for HK416 Genuine HK416 E1 commercial buttstock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the buttstock...HKP-18361Now: $392.95Was: $469.95 -
HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style
PTR
$209.95PTR AR Brace/Stock Adapter w/ Magpul Stock - G3, 91, 93, 53, 33 AR15/M16 to HK 90 series stock adapter set with a Magpul MOE stock installed as well as the buffer tube and castle nut. Just use your existing back-plate and MIL-SPEC buffer assembly and you...HKP-15457$209.95 -
Out Of Stock
HK MP5K, SP89, SP5K Stock or Brace Adapter - ACE Style
HKP HK Parts
$54.95ACE Adapter for MP5K, SP89 & SP5K Each ACE adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This is the finest ACE adapter...HKP-18505$54.95 -
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 sights, red dots, and low-mounted optics. Made from...HKP-22359$82.00