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 Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock This is the same lock that ships with factory HK firearms.HKP-02442$19.95 -
On Sale
HK MP5, MP5K, AP5, AP5-P Rear Sight Drum
MKE
Now: $27.95Was: $32.95MKE AP5, AP5-P, HK MP5, MP5K Rear Sight Drum This rear sight drum is manufactured by MKE for AP5 and AP5-P firearms and fits MP5 and MP5K pattern rifles and pistols. It is commonly used as an upgrade for clones that ship with G3-style rear sight bases...HKP-22490Now: $27.95Was: $32.95 -
On Sale
HK SP5K Bolt Group - Suppressed - Full Auto - Spec
RCM
Now: $368.95Was: $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, it also functions perfectly in semi-auto receivers. This...HKP-22323Now: $368.95Was: $409.95 -
On Sale
HK P30 Competition Magwell
HKP HK Parts
Now: $35.95Was: $44.95HKP HK P30 Competition Magwell The HKP competition magwell for the P30 features a flared aperture to guide the next mag in for faster mag swaps. Great for competitive shooters and everyday shooters alike. Machined from aircraft-grade billet...HKP-22255-MNow: $35.95Was: $44.95 -
On Sale
HK MP5K Brace or Stock Adapter - Folding
HKP HK Parts / SB Tactical
Now: $71.95Was: $79.99SB Tactical HK MP5K Folding Brace/Stock Adapter Factory SB Tactical adapter for folding pistol brace. Aluminum with hard coat anodize for the ultimate finish. Features: Seamless styling adds elegance & operator utility Quick and easy H buffer...HKP-21413Now: $71.95Was: $79.99 -
On Sale
HK VP9 Tactical Holster, Lever, and Compensator - RH
Comp-Tac
Now: $80.95Was: $89.95Comp-Tac HK VP9 Lever + Compensator + Align Tactical Holster – Right Hand This custom made Comp-Tac International OWB holster is for your HK VP9L pistol and it that allows you to have the align tactical takedown lever & our HK parts compensator...HKP-20978Now: $80.95Was: $89.95 -
On Sale
HK45C International Holster - Comp Carry
Comp-Tac
Now: $75.95Was: $89.95Comp-Tac HK45C International Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best holster...HKP-20869-MNow: $75.95Was: $89.95 -
On Sale
B&T 30 Round BT USW-A1 9mm Magazine
B&T Brugger & Thomet
Now: $45.95Was: $55.00B&T 30 Round BT USW-A1 9mm Magazine Swiss B&T manufactured 30 round magazine for the USW-A1 9mm. These B&T's USW replacement magazines feature the same reliability as the mags that ship with new B&T firearms. These high quality factory...HKP-18353Now: $45.95Was: $55.00 -
On Sale
HK MK23 Pistol Grip - Granulate
Talon Grip
Now: $17.95Was: $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. Installation is quick and easy.The pistol grips will...HKP-20263Now: $17.95Was: $19.99 -
On Sale
HK MP5 Modular Stock System - .22LR
F5 MFG
Now: $296.95Was: $349.95F5 MFG Modular Stock System with MP5 .22 Adapter Features: HK MP5 22 compatible adapter 6061 AL and nylon 6/6 polymer construction Integrated locking hinge Adjustable cheekwell 7 adjustable length positions 3in length of pullHKP-20196Now: $296.95Was: $349.95 -
On Sale
HK VP9 Ledge Straight Eight Sight Set for Suppressor - Optics Ready
Heinie
Now: $184.95Was: $205.95Heinie Optics Ready HK VP9 Ledge Straight Eight Sight Set for Suppressor This sight set features our rear Ledge design. The military inspired sight design combines the best features of our Classic and SlantPro with a few of its own that sets it apart...HKP-19998Now: $184.95Was: $205.95 -
HK416, MR556, HK417, MR762 Trigger Axle
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16623$19.95