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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HK VP9, VP40 Backstrap - Medium - Black
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - Black New HK German manufacture. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-16813$29.95 -
On Sale
HK USP V1, V2 Old Style Complete Hammer
H&K Heckler & Koch
Now: $69.95Was: $79.95HK USP V1/V2 Old Style Complete Hammer HK USP complete with pin - hammer variant 1, 2, and 9. Old style all metal USP spurred hammer.HKP-01602Now: $69.95Was: $79.95 -
HK Tactical Pistol Case - FDE
H&K Heckler & Koch
$129.95H&K Tactical Pistol Case - FDE Keep your handgun safe and secure with the HK Tactical Nylon Case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double magazine pouch, frame...HKP-17153$129.95 -
HK German Universal Multi Tool
H&K Heckler & Koch
$79.95H&K German Universal Multi Tool This is ideal for the USC or SL8 style of weapon systems. Great multi-tool for sights, handguards, or work on any other accessories.HKP-00374$79.95 -
On Sale
HK MP5 Parts Kit - Pistol Build - Receiver Flat and Weldment Set - 9mm
HKP HK Parts
Now: $1,359.95Was: $1,699.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...HKP-18039Now: $1,359.95Was: $1,699.95 -
On Sale
HK416, MR556 Stabilizing Brace - SBA5
SB Tactical
$98.95 - $104.95SB Tactical SBA5 Brace The SBA5 Pistol Stabilizing Brace is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral, ambidextrous QD sling socket and an arm cuff based on the...HKP-21794-M$98.95 - $104.95 -
On Sale
HK MP5K, SP5K-PDW, SP89 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
Now: $637.95Was: $849.95Franklin Armory HK MP5K-AR Binary Trigger Group Introducing our new MP5K-AR Navy ambidextrous lower housing, paired with a Franklin Armory Binary Trigger pack and a Magpul MOE grip for a complete MP5K-AR Binary Trigger group. This drop-in unit fits all...HKP-21337-MNow: $637.95Was: $849.95 -
On Sale
HK VP9 R3d 2.0 Night Sights
XS Sights
$118.95 - $139.95XS Sight Systems HK VP9OR R3d 2.0 Night Sights - Suppressor Height R3D 2.0 sights are the premium solution for a traditional notch and post-sighting system. The set is engineered to provide a brighter, stronger, and easily installable sighting system for...HKP-21203-M$118.95 - $139.95 -
On Sale
HK P30SK Holster - DCH Comp Carry
Comp-Tac
$71.95 - $79.95Comp-Tac HK P30SK DCH Comp Carry Holster Comp-Tac P30SK comp carry DCH (Dual Concealment) holster. This holster is compatible with our Rail Mount Compensators and Match Weights. The best holster for that offers IWB or OWB option Features: Offers IWB and...HKP-20587-M$71.95 - $79.95 -
On Sale
HK G36, SL8 Optic Mount - Fixed Sights - Picatinny Rail
USA
Now: $169.95Was: $199.95HK SL8, G36 Sight Rail With Front & Rear Fixed Sights US made SL8 & G36 Picatinny rail with fixed iron sights. Each rail requires 3 hardware sets to mount. Compatible With: HK SL8, HK Sl8-1 G36, G36K, G36CHKP-19717Now: $169.95Was: $199.95 -
HK UMP, USC Top Rail for Optics with Screws - Extended
H&K Heckler & Koch
$79.95H&K HK UMP & HK USC Extended Top Rail For Optics with Screws This rail is nearly an 1" longer than the standard length top rail. This Picatinny top rail allows the user to add an Eotech, Aimpoint, Acog, etc. This unit is the best quality &...HKP-20502$79.95 -
Out Of Stock
HK P30SK, P2000SK Barrel - 9mm - 3.89" - Threaded 13.5x1 LH
RCM
$225.00RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH Each HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable nitride finish...HKP-19307$225.00