Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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Out Of Stock
B&T APC9, APC45 Stock Adapter
B&T Brugger & Thomet
$290.00B&T APC9, APC45 Stock Adapter Factory B&T stock adapter to fit stocks and braces to APC9 and APC45 platforms. Adapts: B&THKP-22033$290.00 -
Out Of Stock
HK21 FMP Complete Build Kit - Non Matching Numbers - 14.5" Barrel
FMP HK CONTRACT
$3,289.95HK21 Complete Build Kit- Non Matching Numbers - 14.5" Barrel HK Parts bring you yet another exhaustive parts kit. Our HK21 kit includes everything you need to resurrect an iconic classic and hit the...HKP-21848$3,289.95 -
On Sale
HK MP5 QD End Cap with Buffer - Black - BLEMISHED
HKP HK Parts
Now: $37.46Was: $99.95HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this...HKP-20118-BNow: $37.46Was: $99.95 -
Out Of Stock
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic...HKP-21725$90.00 -
On Sale
HK45 Magazine Pouch - Single - PLM
Comp-Tac
Now: $29.37Was: $41.95HK 45 Single Magazine Pouch - PLM The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM...HKP-19863Now: $29.37Was: $41.95 -
HK VP9SK, VP40SK Backstrap - Medium - Black
H&K Heckler & Koch
$24.95H&K VP9SK, VP40SK Back Strap - Medium - Black New HK German manufacture. Compatible With: HK VP9SKHKP-18294$24.95 -
On Sale
HK VP40 Slide Spider Grip Enhancer
ArachniGRIP
Now: $8.96Was: $19.87ArachniGRIP HK VP40 Slide Spider Grip Enhancer The Slide Spider is designed to assist new and practiced shooters alike, affected by weakened hand and/or grip strength, in operating the slide of their...HKP-18394Now: $8.96Was: $19.87 -
On Sale
CRKT Pilar Copper Knife - 2.38"
Now: $29.96Was: $72.95Columbia River Knife & Tool, PILAR COPPER, 2.38" Folding Knife, Plain Edge, Satin Finish, Copper and Stainless Steel Handle The Pilar Copper is a super compact everyday carry folder with distinctive...HKP-20556Now: $29.96Was: $72.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with...HKP-20524$2,389.95 -
Out Of Stock
HK VP9, P30, HK45C Fiber Optic Sight Set - Red
Trijicon
$119.95Trijicon Fiber Optic Sight Set in Red for HK VP9, HK P30, HK 45C Behind Trijicon® Fiber Sights is years of engineering and manufacturing experience in producing the industry's leading night sight and...HKP-19357$119.95 -
HK VP9, VP40 Backstrap - Medium - Gray
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - Gray New HK German manufacture Compatible With:HKP-18126$29.95 -
HK VP9, VP40 Grip Panel Left Side - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Left Side - Small - OD Green New HK German manufactured. Left side size small. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. CompatibHKP-18835$24.95