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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8" Picatinny Mount Stock or Brace Bar - JMAC Customs
JMAC Customs
$279.858" Picatinny Mount Stock or Brace Bar - JMAC Customs (A)rm(B)ar(8)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many...HKP-21247$279.85 -
HK MP5 Modular Stock System - .22LR
F5 MFG
$349.95F5 MFG Modular Stock System with MP5 .22 Adapter Features: HK MP5 22 compatible adapter 6061 AL and nylon 6/6 polymer constructionHKP-20196$349.95 -
On Sale
HK91, G3 Stock - PRS Gen 3
Magpul
$274.09 - $429.95Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek...HKP-21172-M$274.09 - $429.95 -
HK SL8 to G36 Stock Block - Conversion - Pull Pin
HDPS
$389.95HDPS SL8 To G36 Stock Block This is the latest generation of a stock block with the pull pin, NOT the older style with the sling eyelets. The HDPS SL8 to G36 conversion stock block comes complete and...HKP-00807$389.95 -
HK MP5, SP5 Modular Folding Stock System
F5 MFG
$449.95F5 MFG Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most...HKP-19484$449.95 -
HK MP5 Pistol Stabilizing Brace- SBA3 - 5 Position Adjustable
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances...HKP-20276$269.95 -
Out Of Stock
HK33, HK53, HK93 Clubfoot Stock
Michaels Machines
$315.95MM Club Foot Stock for HK33, HK53, and HK93 This clubfoot ships assembled with a mix of German and US-made parts. Includes: MM 21E ClHKP-01455$315.95 -
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...HKP-22356-M$349.95 -
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...HKP-21926$449.95 -
HK91, G3 Fixed Buttstock, Complete with Enhanced Heavy Buffer - Surplus
H&K Heckler & Koch
$269.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts...HKP-16269$269.95 -
On Sale
Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$232.43 - $304.90JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" LHKP-21241-M$232.43 - $304.90 -
HK91 SBA4 Pistol Stabilizing Brace and Adapter
SB Tactical
$319.95SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapterHKP-19931$319.95