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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On Sale
Muzzle Brake - Titanium 3 Port .30 Cal
Tactical Precision MFG
Now: $42.95Was: $84.99TPM - Titanium 3 Port Muzzle Brake .30 Cal This radially ported muzzle brake is for Ruger American and many other lightweight mountain rifles. Features: Weight:0.67 oz Material: Grade 5 titanium Color: Black Threading: 5/8x24HKP-20777Now: $42.95Was: $84.99 -
Out Of StockOn Sale
HK SP5 Stock with HKP Adapter
HKP HK Parts / GSG9
Now: $189.95Was: $259.95GSG9 US Folding Stock with HK Parts Adapter for HK SP5 GSG9 US folding stock paired with an HK Parts SP5 adapter. Configured as a direct-fit stock assembly for the SP5 platform. Specifications: CNC machined adapter Solid billet aircraft-grade...HKP-20662Now: $189.95Was: $259.95 -
HK A3 Parkerized Stock Protective Cover
H&K Heckler & Koch
$19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place.HKP-20649$19.95 -
HK45C, P30 International Holster - LH
Comp-Tac
$79.95Comp-Tac HK P30, HK45C International LH Holster The International is an Outside the Waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for competition...HKP-19611$79.95 -
HK P30L Barrel - 4.45" - 9mm
H&K Heckler & Koch
$234.95Factory barrel for HK P30L 9mm pistols made by Heckler and Koch Features: Factory made in Germany 4.45" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its manufacture location...HKP-01827$234.95 -
HK VP9SK Grip Panel Left Side - Large - Black
H&K Heckler & Koch
$17.95H&K VP9SK Left Side Grip Panel - Large - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18300$17.95 -
On Sale
HK VP40 Slide Spider Grip Enhancer
ArachniGRIP
Now: $11.95Was: $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 semi-automatic pistol. Once installed, the Slide...HKP-18394Now: $11.95Was: $19.87 -
On Sale
CRKT Pilar Copper Knife - 2.38"
Now: $39.95Was: $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 minimalist design, a big colorful pop, and an epic...HKP-20556Now: $39.95Was: $72.95 -
On Sale
HKP Women's Shirt - Short Sleeve - Gray
HKP HK Parts
Now: $9.99Was: $14.95HKP Short Sleeve Shirt for Women in Gray Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...HKP-21020-MNow: $9.99Was: $14.95 -
HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH
H&K Heckler & Koch
$24.95H&K Mark 23 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH The Texas Style thread protector features raised knurling, distinguishing it from the standard HK style, which does not have this raised texture. This design ensures a secure...HKP-20406$24.95 -
Out Of Stock
HK MP5 40/10 Semi-Auto 4 Position (0,1,2,F) Trigger Housing - Clipped and Pinned
H&K Heckler & Koch
$249.95H&K MP5 40/10 Semi-Auto 4 Position (0,1,2,F) Trigger Housing - Clipped & Pinned This factory German trigger housing is designed for the MP5 40/10 with a 4 position pictogram (0,1,2,F). It comes clipped and pinned for use in semi-auto units,...HKP-19924$249.95 -
HK P2000 Holster - MTAC IWB
Comp-Tac
$79.95Comp-Tac HK P2000 MTAC IWB Holster The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in comfort and speed for...HKP-19591-M$79.95