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
Skeleton Stock 8" - SS-8 - INCOMPLETE - BLEMISHED
JMAC Customs
Now: $157.46Was: $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...Now: $157.46Was: $284.99 -
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 -
On Sale
HK MP5 Stock- Folding - Length Adjustable - Helmet Stock - BLEMISHED
B&T Brugger & Thomet
Now: $217.46Was: $379.95B&T MP5 Folding Stock/Length Adjustable Helmet Stock - BLEMISHED ONLY 4 UNITS AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...Now: $217.46Was: $379.95 -
HK416, MR556 Enhanced Buffer Tube - Tan
H&K Heckler & Koch
$192.95Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in...$192.95 -
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 -
Picatinny - Dual Folding Adapter - Stock
Strike Industries
$199.95Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...$199.95 -
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