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
HK MP5 Dual Folding Stabilizer with Adapter - .22LR
HKP HK Parts / Strike Industries
$249.95 - $269.95Strike Industries HK MP5 .22LR Dual Folding Stabilizer with Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding...HKP-21770-M$249.95 - $269.95 -
Out Of Stock
B&T APC9, 40, 45 MBT Folding Stock - Includes Hydraulic Buffer
B&T Brugger & Thomet
$625.00B&T MBT folding stock for APC 9/40/45. Polymer stock and adapter with hydraulic buffer included. Features: 8-position length adjustment Telescoping cheek riser with 3-position height adjustment Folds to the right canted downward 3.5...HKP-21749$625.00 -
Out Of Stock
B&T GHM9/45 Stock Telescopic
B&T Brugger & Thomet
$510.00B&T Stock Telescopic for GHM9/45 Factory B&T 3-position telescopic stock for the GHM9 and GHM45 platforms. Compatible With: B&T GHM9/GHM45HKP-21722$510.00 -
HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
On Sale
HKP Racerback Tank - Black
HKP HK Parts
Now: $7.46Was: $14.95HKP Racerback Tank - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this racerback is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...HKP-21031-MNow: $7.46Was: $14.95 -
HK VP9, P30, HK45 Night Sight - R4E - Suppressor Height
Meprolight
$194.95Meprolight R4E Self Illuminated Night Sight for HK VP9 - Suppressor Height Rapid target acquisition is a critical component of defensive shooting. Designed by two highly experienced U.S. Special Forces veterans, the R4E Optimized Duty Sights have FIVE...HKP-19521$194.95 -
HK VP9, VP40 Back Grip Panel - Large - OD Green
H&K Heckler & Koch
$29.95H&K VP9, VP40 Back Grip Panel - Large - OD Green New HK German manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-19177$29.95 -
On Sale
HK VP9, VP40 Compensator with Rail Adapter
HKP HK Parts
Now: $96.95Was: $184.95HK VP9 & VP40 - Comp Weight™ With Rail Adapter HK Parts VP9, VP40 Comp Weight™/compensator with Rail Adapter Installed is the perfect addition to your HK VP9/VP40 firearm with our low profile, aggressive Comp Weight™ that flows with...HKP-18755Now: $96.95Was: $184.95 -
HK VP9SK, VP40SK Backstrap - Medium - FDE
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Medium - FDE New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18581$29.95 -
HK VP9SK Grip Panel Right Side - Medium - OD Green
H&K Heckler & Koch
$19.95H&K VP9SK Right Side Grip Panel - Medium - OD Green New HK German manufactured. Right side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18967$19.95 -
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
HK USP Series Front Sight 6.2mm
H&K Heckler & Koch
Now: $9.95Was: $19.95Heckler and Koch 6.2mm Front Sight for HK USP Series H&K factory height replacement sight for USP Compact. This sight will also work with select USP full size pistols but is shorter than the factory 6.8mm sight. Compatible With: USP...HKP-02255Now: $9.95Was: $19.95