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 MP7 Back Plate - Complete
H&K Heckler & Koch
$67.95HK MP7 Back Plate - Complete OEM complete back plate assembly for the HK MP7. Direct factory replacement back plate for maintaining or rebuilding your MP7 platform using original HK parts. Compatible With: MP7$67.95 -
Arm Brace Hook
MI Midwest Industries
$97.95Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works with...$97.95 -
HK MP5K End Cap w/ Swivel Attachment
MKE
$69.95MKE HK MP5K End Cap with Swivel Attachment Durable factory-style end cap designed for MP5K platforms. Provides a secure sling mounting point for MP5K pistols. Compatible With: HK MP5K HK SP89 HK SP5K (may require some fitting, install lower pin before...$69.95 -
Out Of StockOn Sale
HK MP5, SP5 ACR Folding Stock w/Adapter - BLEMISHED
F5 MFG
Now: $199.95Was: $229.95HK MP5, SP5 ACR Folding Stock w/Adapter - BLEMISHED INSTALLATION MARKS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Upgrade your MP5 platform with the F5-ACR...Now: $199.95Was: $229.95 -
Out Of StockOn Sale
HK416, MR556 Mil-Spec German E1 Stock - Black - USED
H&K Heckler & Koch
Now: $167.95Was: $222.95H&K HK MR556/416 Mil-Spec German E1 Stock - Black - USED ONLY 1 UNIT AVAILABLE - AS PICTURED - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The HK E1 Buttstock fits mil-spec buffer...Now: $167.95Was: $222.95 -
B&T APC223, APC300, APC308 Stock or Brace Adapter - Picatinny
B&T Brugger & Thomet
$159.95B&T APC223/300/308 Stock Adapter - Picatinny This adapter allows the installation of picatinny-style stocks or braces onto B&T APC223, APC300, and APC308 platforms. Compatible With: B&T APC223/300/308$159.95 -
Out Of Stock
B&T GHM9, GHM45, KH9 Stock Conversion Kit
B&T Brugger & Thomet
$165.00B&T GHM9 Stock Conversion Kit Converts the telescopic brace into a telescopic stock or can be used as a replacement for a damaged unit. Compatible with B&T telescopic braces BT-20517 and BT-20527. Includes: Buttplate Extension...$165.00 -
On Sale
HK MP5 Folding Helmet Stock - Adjustable Length - USED
B&T Brugger & Thomet
Now: $279.95Was: $379.95B&T HK MP5 Folding Helmet Stock - Adjustable Length - USED ONLY 1 UNIT LEFT - VARYING CONDITION SHOWN IN PICTURES - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...Now: $279.95Was: $379.95 -
HK MP5K .40/10mm Folding Stock with Adapter
HKP HK Parts
$239.95HKP HK MP5K .40/10mm Folding Stock with Adapter Genuine H&K UMP folding stock completely assembled with the HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Available exclusively at HK Parts. Compatible...$239.95 -
HK A3 Stock Release Lever Rebuild Kit
H&K Heckler & Koch
$14.95H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks. With A3 stocks becoming more expensive it's a great idea to keep this kit on...$14.95 -
HK MP5K Stock or Brace Adapter - 10mm / .40 S&W - Picatinny Rail
HKP HK Parts
$129.95HKP HK MP5K .40/10 Picatinny Rail Brace/Stock Adapter Open your MP5K up to a vast range of brace and stock options with our Picatinny rail stock adapter. Designed specifically for the MP5K 40 cal and 10mm platforms. Available exclusively at...$129.95 -
HK G36 Helmet Stock
B&T Brugger & Thomet
$280.00B&T HK G36 Helmet Stock The B&T G36 helmet stock was designed to clearance the operator's helmet when viewing the target through the rifle's sights. This military derived design is precision made in Switzerland. Compatible With: HK G36$280.00