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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On Sale
HK MR556, MR762 Ribbon for Buttstock
H&K Heckler & Koch
Now: $48.56Was: $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 MR762/417Now: $48.56Was: $53.95 -
On Sale
HK MP5K Stock and Stock or Brace Adapter 10mm / .40 S&W
HKP HK Parts
Now: $231.96Was: $289.95HKP HK MP5K .40/10mm Stock Adapter with Stock Designed to adapt UMP style and B&T folding stocks directly to the .40/10mm K platform. Made in the USA and available exclusively at HK Parts Compatible With: HK MP5K .40/10mmNow: $231.96Was: $289.95 -
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 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - FDE
SB Tactical
Now: $265.45Was: $294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - FDE MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment.This brace is the perfect addition for...Now: $265.45Was: $294.95 -
On Sale
HK MP5, SP5 ACR Folding Stock with Adapter - Picatinny
F5 MFG
Now: $283.45Was: $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...Now: $283.45Was: $314.95 -
On Sale
Century Arms AP51 Fixed Stock Backplate
HKP HK Parts / Heckler & Koch
Now: $80.95Was: $89.95H&K/HKP Century Arms AP51 Fixed Stock Backplate HKP's drop-in replacement backplate and recoil rod is expertly modified to fit the Century Arms AP51. Crafted to the precise length for optimal function and dependable performance, this backplate allows...Now: $80.95Was: $89.95 -
On Sale
HK MP5 Stock Fork
H&K Heckler & Koch
Now: $179.95Was: $199.95H&K HK MP5/SP5 Stock Fork MP5 Replacement Stock Fork Section, expertly crafted in Germany. This robust fixed stock section boasts a classic forked design that guarantees exceptional shoulder support and enhanced control for your pistol. Whether you...Now: $179.95Was: $199.95 -
On Sale
HK G36, SL8 Sling, Bipod Eye Bolt
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models. Steel construction with a durable black finish. Installs easily into the forward portion of the handguard to provide a secure...Now: $71.95Was: $79.95 -
On Sale
Vector Arms V51 Fixed Stock
HKP HK Parts
Now: $223.96Was: $279.95H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked stock. The result, a complete A2 stock that...Now: $223.96Was: $279.95 -
On Sale
HK QD End Cap with Buffer - SP5
HKP HK Parts
Now: $44.96Was: $99.95HK SP5 - Quick Detach End Cap With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and Cerakoted for the best...Now: $44.96Was: $99.95 -
On Sale
HK USC, UMP Stock Block C Eyelet with Thumb Screw
HDPS
Now: $152.95Was: $169.95HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE...Now: $152.95Was: $169.95 -
On Sale
HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable
B&T Brugger & Thomet
Now: $341.95Was: $379.95B&T HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable This Swiss-made folding helmet stock offers a compact, military-grade solution for MP5K-pattern firearms. Built from durable polymer and aluminum, it provides smooth length adjustment and...Now: $341.95Was: $379.95