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 APC223, APC300, APC308 Stock Conversion Kit
B&T Brugger & Thomet
$165.00B&T APC223/300/308 Stock Conversion Kit B&T factory buttstock conversion kit for converting a retractable brace system to a retractable stock system. Also great to have on hand for replacement parts. Compatible With: B&T APC223 B&T...HKP-22276$165.00 -
On Sale
AR15 Buffer Tube - Hex - 7.5" - BLEMISHED
Sig Sauer
Now: $19.95Was: $44.95SIG Sauer Phase 5 Hex Buffer Tube for AR-15 Pistols - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This buffer...HKP-99304Now: $19.95Was: $44.95 -
HK416, MR556 Enhanced Buffer Tube - Tan
H&K Heckler & Koch
$192.95Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in...HKP-22086$192.95 -
Out Of Stock
HK416 Convex Buttstock - Wrench Included
H&K Heckler & Koch
$97.95H&K HK416 Convex Buttstock w/Wrench Factory-original H&K buttstock with convex buttpad and included tool. Compatible with HK416 rifles using MIL-SPEC buffer tubes (not included). Features: Ergonomic cheek weld Twist-off rubber buttpad with two...HKP-22025$97.95 -
HK MP5K 40/10 Stock or Brace Adapter
HKP HK Parts
$113.95HKP HK MP5K 40/10 Brace/Stock Adapter Easily attach your favorite A2 style stock to your MP5K 40/10 with this durable, precision-engineered adapter. Made in the US and available exclusively at HK Parts. Compatible with composite and wood A2 stocks...HKP-21869$113.95 -
HK MP5 Receiver Flat - 9mm - no Sling Clip
HKP HK Parts
$189.95HKP HK MP5 9mm Receiver Flat w/o Sling Clip The MP5 9mm receiver flat serves as the foundation for custom MP5 builds. This version does not include a sling clip cutout, offering flexibility for customization. Precision-engineered for compatibility with...HKP-21828$189.95 -
HK SL8 Adjustable Buttstock Piece - Gray
H&K Heckler & Koch
$29.95HK SL8 Adjustable Buttstock Piece - Gray Genuine HK adjustable buttstock insert.HKP-16995$29.95 -
On Sale
HK MP5, HK94, HK33, HK53, HK93 - MOE SL-S - FDE
Magpul
Now: $134.95Was: $234.95Magpul MOE SL-S - FDE- HK MP5, HK94, HK33, HK53, HK93 Magpul MOE SL-S MP5, HK 94 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The sleek profile, dual-side release latches, and...HKP-20489Now: $134.95Was: $234.95 -
On Sale
HK G3, 91 A2 Stock - Tan - Saudi Contract - Rare
Other
Now: $168.95Was: $279.95VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan. Don't miss your chance to get a rare contract G3 stock assembly in this condition. Compatible With: HK91, G3 In spec. clones and custom builds THIS...HKP-99424Now: $168.95Was: $279.95 -
On Sale
HK MP5, HK93 Stock - MOE SL - BLEMISHED
Magpul
Now: $128.95Was: $189.95HK MP5, HK93 Stock - MOE SL - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Magpul MOE SL-K MP5 ,HK 94, HK93...HKP-20490-BNow: $128.95Was: $189.95 -
On Sale
HK91, G3 A2 Stock - Enhanced Heavy Buffer - Like New - Rare
Other
Now: $274.95Was: $299.95Rare Saudi Arabian Contract HK91, G3 A2 Stock with HKP Enhanced Heavy Buffer - Tan - Like New VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan paired with the HKP enhanced heavy buffer for improved...HKP-99420Now: $274.95Was: $299.95 -
On Sale
HK Factory Central Buttstock Section - Black - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $9.95Was: $34.95HK Factory Central Buttstock Section - Black - GUNSMITH SPECIAL ONLY 1 UNIT AVAILABLE - AS PICTURED Retaining rear screw is seized to the rear of the buffer cap. THIS PART IS NOT ELIGIBLE FOR RETURN Please Note: Will require work before being functional...HKP-00239-BL-BNow: $9.95Was: $34.95