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 VP9 Optic Plate #10 - Sig Romeo 1 PRO - Red Dot Pistol Mount
HKP HK Parts
Now: $39.95Was: $49.95HK VP9 Series Optics Ready #10 - Sig Romeo 1 PRO - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 series optic ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of...HKP-20028Now: $39.95Was: $49.95 -
On Sale
HK MP5 .22 Bench Mat
HKP HK Parts
Now: $19.95Was: $24.95HK MP5 .22 Bench Mat The HK MP5 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK MP5 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches...HKP-17280Now: $19.95Was: $24.95 -
HK91, G3 Parts Kit - Hand Picked - PTR Barrel and Receiver Flat
H&K Heckler & Koch
$879.95Heckler and Koch Hand Picked Parts Kit for HK91 and HK G3 - PTR Barrel and Receiver Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR...HKP-20071$879.95 -
On Sale
HK VP9, VP9L, Match International Holster
Comp-Tac
Now: $67.95Was: $79.95Comp-Tac HK VP9/VP9L/Match International Holster ONE HOLSTER to fit your entire VP9 Lever collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the VP9 Match, VP9 Long...HKP-20011-MNow: $67.95Was: $79.95 -
On Sale
HK P30 Series Extended Competition Magwell
HKP HK Parts
Now: $49.95Was: $74.95HK P30, P30S & P30L Extended Magwell, Jet funnel Kit - Competition The HK Parts manufactured Competition P30 extended magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for...HKP-17979Now: $49.95Was: $74.95 -
HK P2000SK Magazine Floorplate - 9mm - 10 Round - Extended
H&K Heckler & Koch
$22.95HK German P2000 SK Magazine Floor Plate - Extended P2000SK extended magazine floor plate fits all P2000 SK magazines. The perfect floorplate if you want a place for your pinky when grasping the firearm. Compatible With: P2000 SK P30SK (with slight...HKP-17399$22.95 -
On Sale
HK21, HK11 Barrel - 17.7" -7.62x51 / .308
RCM
Now: $547.95Was: $684.95RCM HK21 Barrel RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. These barrels are the most cost-effective option to finish your HK21/FMP or HK11 build as the original barrels are rare and command a...HKP-21521Now: $547.95Was: $684.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated
H&K Heckler & Koch
$149.95Heckler and Koch 30 Round HK MP5 9mm Magazine - TiN Coated/CRN Coated Get your hands on some TiN coated factory Heckler & Koch magazines. Each magazine starts out as a fresh 9mm, 30 round mag before being professionally dsiassembled, TiN...HKP-21643-M$149.95 -
On Sale
Magpul M-LOK 3 Slot Rail Section
Magpul
Now: $8.95Was: $10.95Magpul M-LOK Rail Section - 3 Slots Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc...HKP-20661Now: $8.95Was: $10.95 -
On Sale
Dummy Rounds - 9mm - Set Of 5
Strike Industries
Now: $6.95Was: $8.95SI 9MM Dummy Rounds - Set Of 5 Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...HKP-17383Now: $6.95Was: $8.95 -
On Sale
HK Universal Magazine Spring - Extended
HKP HK Parts
Now: $8.95Was: $11.95Universal Extended Magazine Spring For HK Parts Extensions. This universal extended magazine spring fits most of our extensions from the VP9 to the Mark 23 extension kits. These are also the correct replacement spring for the +7 and +10 VP9 extensions...HKP-20324Now: $8.95Was: $11.95 -
Out Of Stock
HK MP5 Spike Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight is engineered to deliver a precise and visible aiming point, enhancing target acquisition and accuracy. This model features a spike-tipped post and a...HKP-21097$87.95