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 MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED
H&K Heckler & Koch
Now: $63.95Was: $99.95HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer...HKP-00394-USEDNow: $63.95Was: $99.95 -
On Sale
HK Ambidextrous Sling - Green - USED
H&K Heckler & Koch
Now: $108.95Was: $149.95HK Ambidextrous Sling - Green - 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. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks...HKP-00183-USEDNow: $108.95Was: $149.95 -
On Sale
HK UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling - USED
H&K Heckler & Koch
Now: $48.95Was: $65.95HK UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.HKP-00613-USEDNow: $48.95Was: $65.95 -
On Sale
HK91, G3, PTR Stock - Wood - BLEMISHED
H&K Heckler & Koch
Now: $142.95Was: $199.95HK91, G3, PTR Stock - Wood - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Complete rear stock for...HKP-19275-BNow: $142.95Was: $199.95 -
On Sale
HK417, MR762 Buttstock – E2 Convex Buttpad – USED
H&K Heckler & Koch
Now: $123.95Was: $199.95Heckler and Koch Buttstock with E2 Convex Buttpad for HK417, MR762 ONLY 1 UNIT AVAILABLE - AS PICTURED Factory buttstock assembly manufactured by Heckler and Koch and equipped with the E2 convex buttpad. Compatible With: HK417, MR762 THIS CLOSEOUT PART...HKP-99390Now: $123.95Was: $199.95 -
On Sale
HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail - Black - BLEMISHED
HKP HK Parts
Now: $98.95Was: $149.95HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail - Black - BLEMISHED 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...HKP-21574-BL-BNow: $98.95Was: $149.95 -
HK MP5K, AP5-P End Cap - Incomplete
MKE
$27.95MKE MP5K, AP5-P - Incomplete MKE manufactured replacement end cap. This end cap does not include the buffer, hardware, or sling swivel. Compatible With: HK MP5K HK SP89 HK SP5K Century AP5-P, AP5-MHKP-22472$27.95 -
Out Of Stock
WOOX Edge Stock - Walnut - Picatinny Mount
WOOX
$228.95 - $298.95WOOX Edge Stock - Walnut The WOOX Edge Stock is a premium upgrade for rifles and SMGs featuring a 3 Picatinny stock interface. It blends a precision-machined aluminum body with an American walnut cheek riser for a clean profile, solid lockup, and a...HKP-22460-M$228.95 - $298.95 -
On Sale
Skeleton Stock 8" - SS-8 - INCOMPLETE - BLEMISHED
JMAC Customs
Now: $209.95Was: $284.99JMAC Customs SS-8 - INCOMPLETE - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING 1913 FOLDING MECHANISM COSMETICALLY BLEMISHED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Skeleton stock 8" 2x...HKP-20146-BNow: $209.95Was: $284.99 -
On Sale
HK MP5 QD End Cap with Buffer - Black - USED
HKP HK Parts
Now: $59.95Was: $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...HKP-20118-BL-BNow: $59.95Was: $99.95 -
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...HKP-21832$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,...HKP-21820$38.95