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 USC Conversion to ACR Stock Upgrade - FDE
KDG Kinetic Development Group
$459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...HKP-19845$459.95 -
HK SL8 Buttstock Cheek Riser Piece
H&K Heckler & Koch
$34.95Heckler and Koch HK German SL8 Stock Cheek Riser Piece Compatible with all HK SL8 models. Cheek piece for SL8-1 and SL8-6 riflesHKP-01701$34.95 -
HK MP5 Adapter - Folding Stock
B&T Brugger & Thomet
$114.95B&T HK MP5 Adapter for Folding Stock Upgrade your MP5 platform with precision Swiss engineering. The Brügger & Thomet HK MP5 Adapter for Folding Stock provides a secure, reliable mounting interface for B&T’s side-folding stocks...HKP-21751$114.95 -
Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$304.90 - $309.90JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21241-M$304.90 - $309.90 -
HK V51 Backplate
HKP HK Parts
$167.95HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...HKP-21201$167.95 -
HK MP5 Dual Folding Stabilizer - With Adapter - OD Green
HKP HK Parts / Strike Industries
$319.95Strike Industries Dual Folding Stabilizer with HKP MP5 Adapter The Strike Industries Dual Folding Stabilizer 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...HKP-21655-M$319.95 -
HK G36C Folding Stock
HKP HK Parts
$119.95HKP HK G36C Folding Stock HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36 and G36K stock. This is the preferred stock for average height shooters. Compatible With: G36, G36K, G36C, G36E SL8 to G36 builds In-spec clones and...HKP-19299-M$119.95 -
HK MP5 Folding Stock with HK Parts Adapter
HKP HK Parts / Heckler & Koch
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
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 expensive firearm. This is the finest AR stock adapter...HKP-17175$229.95 -
HK416 OTB E1 Buttstock and Buffer Tube Set
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth...HKP-20104$469.95 -
HK417, MR762, G28 Receiver End Plate
H&K Heckler & Koch
$24.95H&K HK MR762/417/G28 Receiver End Plate New HK German factory. Compatible With: HK MR762 HK 417 HK G28HKP-16610$24.95 -
B&T APC223, APC300 Buttplate - Telescopic Stock
B&T Brugger & Thomet
$136.00B&T Telescopic Stock Buttplate - Brace Conversion Factory B&T replacement buttplate for B&T APC rifle caliber telescoping stocks. Can also be used to upgrade a B&T brace to a stock. Compatible With: B&T...HKP-21753$136.00