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 MP5 QD End Cap with Buffer - Black - USED
HKP HK Parts
Now: $44.96Was: $99.95HK MP5 QD End Cap with Buffer - Black - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this MP5 QD end cap upgrade you will get a heavier buffer to...Now: $44.96Was: $99.95 -
On Sale
HK416, MR556 Receiver End Plate - AS IS - BLEMISHED
Now: $7.95Was: $19.95HK MR556/416 Receiver End Plate - BLEMISHED CONDITION MAY VARY - SEE PHOTOS INSTALLATION MARKS. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Aftermarket...Now: $7.95Was: $19.95 -
HK MP5K Stock or Brace Adapter - 10mm / .40 S&W
HKP HK Parts
$129.95HKP HK MP5K .40/10mm Brace/Stock Adapter Add your favorite brace or stock to your 40 or 10mm MP5K with the HK Parts stock adapter. Designed to adapt UMP style and B&T folding stocks directly to the 40/10 K platform. Made in the USA and...$129.95 -
HK21 Sling Mount for Barrel Shroud
H&K Heckler & Koch
$38.95Heckler and Koch Barrel Shroud Sling Mount for your HK21 Features: German-made spring steel sling clip Designed for the HK21 and HK21-A1 barrel shroud Correct HK production part for a secure sling attachment Compatible With: HK21, HK21-A1 HK21E,...$38.95 -
G3 Incomplete Backplate
H&K Heckler & Koch
$29.95G3 Incomplete Backplate Factory German G3 refinished backplate. This backplate was fully reconditioned and Parkerized for a factory look. A great replacement or spare to have around to replace your broken or worn out backplates. Don't forget to get a new...$29.95 -
Out Of Stock
HK MP5 Stock - A3 - Refinished - Surplus
H&K Heckler & Koch
$0.00Used German Manufactured A3 Retractable Stock - Refinished Each German HK stock is used and had been refinished (early 80's manufacture) A one time offering of some well used German stocks that have been professionally dissassembled, cleaned, repainted...$0.00 -
Out Of Stock
HK33, HK53, HK93, Z43 A2 Fixed Stock - Green
H&K Heckler & Koch
$0.00HK MKE/Zenith HK93,33,53 & Z43 - Fixed Stock - Green$0.00 -
Out Of Stock
HK33, HK53, HK93 Fixed Stock - Green
H&K Heckler & Koch
$0.00H&K HK 93, HK 53, HK 33 Fixed Stock - Green This stock will fit all HK .223 rifles and clones that are made to factory spec. Compatible with: HK 93 HK 53 HK 33 Zenith Z43 This is the current production model with the improved buffer. This stock...$0.00 -
Out Of Stock
H&L HK SL8 Stock Spacer - Gray
H&K Heckler & Koch
$0.00HK SL8 Stock SpacerHK German SL8 stock spacer. These stackable spacers will allow the user to gain extra length of pull for the desired length on the SL8 factory stock. Spacer fits all SL8 rifles including the new all black SL8-6 rifles.$0.00 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - OD Green 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...$294.95 -
Out Of Stock
HK German Carry Handle - HK91, G3, HK93, & HK33 - New Old Stock
H&K Heckler & Koch
$0.00HK German Carry Handle for HK91, G3, HK93, & HK33 Weapon Systems - New Old Stock HK German new old stock condition. The carry handle installs by sliding the carry handle over the cocking tube to make contact with the trunnion. This can be installed...$0.00 -
Out Of Stock
HK416 Collapsible Stock Mil Spec - RAL7008
H&K Heckler & Koch
$0.00Collapsible HK 416 E1 Style Mil Spec - HK 416 RAL 7008 - Dark Earth Color Genuine Heckler & Koch HK416 surplus buttstocks in the RAL 7008 color scheme. HK-USA nows offers these surplus E1 Mil-Spec stocks which can be hard to find and are perfect for...$0.00