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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HK91, G3 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years, making remaining NOS increasingly rare. Compatible...$1,345.95 -
HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
H&K Heckler & Koch
$39.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms$39.95 -
Vector Arms V51 Fixed Stock - USA
HKP HK Parts
$289.95HKP Vector Arms V51 Fixed Stock - USA New PTR A2 stock section with the HKP V51 backplate. We convert a like-new backplate with the correct rear-collapsible rod and include a surplus HK buffer to guarantee compatibility. This style backplate...$289.95 -
HK Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...$49.95 -
HK MR556, MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95H&K HK MR556/MR762 Buttstock Release Lever Insert Compatible With: HK MR556 HK MR762$26.95 -
HKP ACE Adapter for HK MP5, 93, 33
HKP HK Parts
$99.95ACE Adapter for HK MP5 and HK 93 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 available period...$99.95 -
HK MP5, SP5 ACR Folding Stock with Stock or Brace Adapter - Picatinny
F5 MFG
$314.95F5 HK MP5/SP5 ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their MP5 and other platforms. This drop-in ready assembly attaches with the MP5's...$314.95 -
HK MR556, MR762 Ribbon for Buttstock
H&K Heckler & Koch
$53.95H&K MR556A1, MR762A1 Ribbon for Buttstock Factory HK ribbon used for sling attachment. Can also be used on the E1 Buttstock. Compatible With: HK MR556/416 MR762/417$53.95 -
Picatinny 6" Skeletonized Tube with 1913 Folding Mech
JMAC Customs
$227.90JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces Features: Integrated QD Sling Sockers 6” Length 6...$227.90 -
Out Of Stock
HK MP5K/SP89/SP5K 9mm Incomplete End Cap
H&K Heckler & Koch
$0.00HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom builds$0.00 -
HK MP5 A3 Stock Fork Section With Buttpad
H&K Heckler & Koch
$429.95H&K MP5 A3 Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...$429.95 -
Out Of Stock
HK Ambidextrous Sling - Green
H&K Heckler & Koch
$149.95HK Ambidextrous Sling - Green This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...$149.95