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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Century Arms AP51 A3 Telescopic Stock
MKE
$449.95MKE Century Arms AP51 A3 Telescopic Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...HKP-21926$449.95 -
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 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 -
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 -
HK91, G3 Folding Stock - HDA3
Haga Defense
$349.95HDA3 Folding Stock for HK91, G3 The HDA3 is a modular, USA-made stock system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth adjustability, and...HKP-22356-M$349.95 -
On Sale
HK MP5K Folding Stock With Direct Fit Adapter
MI Midwest Industries
Now: $369.95Was: $419.95HK MP5K Folding Stock With Direct Fit Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...HKP-21514-MNow: $369.95Was: $419.95 -
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 -
Out Of Stock
AB-8 and Stock or Brace Adapter - 1913 Folding Mech
JMAC Customs
$269.95JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...HKP-20148$269.95 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket...HKP-19930$294.95 -
Out Of Stock
HK417, MR762 Buttstock - M110A1, G28 SDMR Clone - RAL8000
H&K Heckler & Koch
$489.95HK Heckler and Koch M110A1 G28 SDMR Stock in RAL 8K for HK417 This exceptional stock is the definitive choice for your M110A1, G28 SDMR clone, or any custom build! With its HK E1 Mil-Spec style design, it delivers unmatched quality and performance. The...HKP-21675$489.95 -
Out Of Stock
HK G36 IDZ Concave Stock
H&K Heckler & Koch
$386.95H&K G36 IDZ Stock Concave When it comes to adjustable, folding G36 stocks, the IDZ tops the list. German made by HK with a concave buttpad for reliability and comfort. Features: 3 position forward & back 3 cheek piece elevation...HKP-21501$386.95 -
HK MP5, SP5 ACR Folding Stock With 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...HKP-22350-M$314.95