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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On Sale
HK MP5K Folding Stock - Visor-Helmet - USED
B&T Brugger & Thomet
Now: $149.96Was: $299.95B&T HK MP5K Folding Visor-Helmet Stock - USED ONLY 2 UNITS LEFT - REFER TO PICTURES FOR CONDITION Swiss-made foldable visor-helmet stock for the MP5K. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE...Now: $149.96Was: $299.95 -
On Sale
HK VTAC-MK2 Sling - Coyote Tan
H&K Heckler & Koch
Now: $56.66Was: $62.95H&K VTAC-MK2 Sling - Coyote Tan - Two Point Sling The Viking Tactics Padded Sling features a closed cell foam shoulder strap and durable resin treated nylon. Its quick adjust design allows fast length changes from any position. The friction resistant...Now: $56.66Was: $62.95 -
On Sale
HK MP5 9mm Dual Folding Stock w/ Adapter
B&T Brugger & Thomet / Strike Industries
Now: $287.95Was: $319.95Strike Industries HK MP5 9mm Dual Folding Stock w/Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration...Now: $287.95Was: $319.95 -
On Sale
HK MP5K Brace and Stock or Brace Adapter - 10mm / .40
HKP HK Parts
Now: $191.96Was: $239.95HKP HK MP5K .40/10mm Brace with Brace/Stock Adapter Designed to adapt UMP style and SB Tactical braces directly to the 40/10 K platform. Made in the USA and available exclusively at HK Parts Compatible With: HK MP5K .40/10mmNow: $191.96Was: $239.95 -
Out Of StockOn Sale
B&T USW-G17 Conversion Kit
B&T Brugger & Thomet
Now: $495.00Was: $550.00B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding stock for improved handling, an optics mounting...Now: $495.00Was: $550.00 -
On Sale
HK MP5 Stock or Brace Adapter - Folding
HKP HK Parts
Now: $119.96Was: $149.95HKP - HK MP5 Folding Brace/Stock Adapter Our HK Parts brace adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...Now: $119.96Was: $149.95 -
On Sale
HK MP5 Pistol Stabilizing Brace - SBA4 - FDE
SB Tactical
Now: $265.45Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5 or clone...Now: $265.45Was: $294.95 -
On Sale
HK MR762 Buttpad - E2 Concave w/ Bowden Retaining Wire
H&K Heckler & Koch
Now: $71.95Was: $79.95MR762, 417 German E2 Concave Butt Pad With Bowden Retaining Wire Harness This item can be added as an option on the HK MR762 & HK712/G28 E1/E2 stock. The Bowden wire retainer is used to work as a lanyard for the buttpad to prevent the buttpad from...Now: $71.95Was: $79.95 -
HK91, G3 A3 Retractable Buttstock - Excellent
H&K Heckler & Koch
$999.95HK G3 & HK 91 A3 Retractable Stock - German These are the final units available no longer produced or offered by HK Germany. Each stock includes two large push pins as a bonus. A beautiful upgrade that truly elevates your G3 or 91 build. Once...$999.95 -
Out Of Stock
HK33, HK91, G3 Heavy Rubber Buttpad For HK A2 Fixed Stocks
H&K Heckler & Koch
$0.00HK German Heavy Rubber Butt Pad The HK German Heavy Rubber Butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This butt pad extends the LOP slightly & provides a greater surface area for...$0.00 -
On Sale
HK MP5 Release Lever - A3 Retractable Buttstock
H&K Heckler & Koch
Now: $17.95Was: $19.95HK MP5 A3 Retractable Buttstock Release Lever For use with the newer Navy or F style A3 retractable MP5 stocks. Not for use on the older 1st generation metal levered MP5 stocks. This lever is much easier to break than the older style and a must have item...Now: $17.95Was: $19.95 -
Out Of StockOn Sale
HK416, MR556 Castle Nut - USED
H&K Heckler & Koch
Now: $19.95Was: $32.95HK416, MR556 Castle Nut - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial...Now: $19.95Was: $32.95