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 MK23 Pistol Grip - Granulate
Talon Grip
$19.99TALON Grip - MK23 - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control...HKP-20263$19.99 -
HK VP9, VP9SK, VP40 Polymer Support Sleeve
H&K Heckler & Koch
$8.95H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black New HK German VP9 & VP40 support sleeve made of polymer. A great replacement part to have on hand as they are easily marred when you depress the...HKP-16830$8.95 -
HK417, MR762 Handguard - Picatinny Quad Rail - 9"
H&K Heckler & Koch
$457.95H&K MR762/417 Picatinny Quad Rail Handguard - 9" Factory HK German MR762, HK417 handguard with mounting screws. Compatible With: HK MR762 A1, A4 HK417HKP-16629$457.95 -
On Sale
HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished with a durable nitride...HKP-16707Now: $202.50Was: $225.00 -
On Sale
HK G36, SL8 Extractor
USA
Now: $29.96Was: $67.95G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6HKP-18882Now: $29.96Was: $67.95 -
HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
HKP HK Parts
$0.00HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and...HKP-22454-M$0.00 -
Out Of Stock
HK SP5K Bolt Group - Suppressed - Full Auto - Spec
RCM
$409.95RCM HK SP5K Spec Suppressed Bolt Group- Full Auto The RCM SP5K Suppressed bolt group is expertly engineered for operating in full auto while suppressed. Although designed as a full-auto bolt group,...HKP-22323$409.95 -
Out Of Stock
HK VP9 Ghost Comp - Threaded 1/2x28
HKP HK Parts
$109.95HKP HK VP9 Ghost Comp - Minimalist - Threaded 1/2 x 28 The HKP Ghost Comp is a compact option for shooters that desire recoil mitigation like found on our full-size comps, but in a smaller package...HKP-22213$109.95 -
On Sale
HK VP9SK Magwell - Low Profile
HKP HK Parts
Now: $38.22Was: $59.95HKP HK VP9SK Low Profile Magwell Low profile, every day carry magwell for the HK VP9SK pistol. For those that would like the enhancements and competitive advantage a mag well offers without the...HKP-21456-MNow: $38.22Was: $59.95 -
HK MP5 ACR Stock and Adapter
Magpul
$599.95HK MP5 Magpul ACR Stock with HKP Adapter: The HKP adapter and Magpul ACR stock combo is a complete, drop-in ready unit. Magpul discontinued production of the ACR stock and we have just a few units...HKP-21370-M$599.95 -
On Sale
M-LOK Foregrip - Skeleton
JMAC Customs
Now: $80.96Was: $89.95JMAC Universal M-LOK Skeleton Forward Grip Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK CompatiHKP-21240Now: $80.96Was: $89.95 -
On Sale
HK MP5K, SP89, SP5K Mounting Arm, Tailhook Mod 1
Gear Head Works
Now: $184.46Was: $204.95Gear Head Works HK MP5K, HK SP5K Tailhook Mounting Arm Want the look of the original MP5k-PDW but without the stamp. Now you can have not only the look, but the same quality and operation in a pistol...HKP-19135Now: $184.46Was: $204.95