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
Glock 17 Magwell - Gen 4
HKP HK Parts
Now: $9.95Was: $47.96HKP Glock 17 Gen 4 Magwell The perfect addition to your Glock 17 firearm, the HK Parts magwell will help keep the users hand in place while shooting. Installation is simple with an allen wrench, no gunsmithing required. Made in the USA. Ultra lightweight...HKP-19141Now: $9.95Was: $47.96 -
HK VP9SK, P30SK Magazine - 20 Round - 9mm
HKP HK Parts / Heckler & Koch
$89.9510 Round Magazine with Black +10 Extension - 9mm - HK VP9SK & P30SK Drop-in magazine ready to go! HK Parts takes an existing 10 round magazine a +10 magazine extension and assembles them into a working 20 round magazine. Compatible With: HKP30...HKP-20599$89.95 -
HK45C Grip Wrap - Rubber
Talon Grip
$19.99TALON Grip - HK45C - Rubber 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-20258$19.99 -
HK VP9B Push Button Mag Release Tool
H&K Heckler & Koch
$17.99Heckler and Koch Push Button Mag Release Disassembly Tool - HK VP9 B The factory HK OEM tool used to change the left to right mag release button of the VP9B models. Compatible With: VP9B NOT compatible with VP9A1 F, VP9A1 KHKP-19747$17.99 -
HK P30L Recoil Rod Assembly - Complete
H&K Heckler & Koch
$97.95Heckler and Koch Complete Recoil Rod Assembly for HK P30L 9mm Genuine German HK recoil rod assembly for the P30L 9mm. A fresh factory recoil spring restores proper cycling and ensures the pistol functions to original HK specifications. Compatible...HKP-02485$97.95 -
Out Of Stock
HK91, G3, PTR Training Bolt Group, Complete - Full Auto
H&K Heckler & Koch
$0.00Heckler and Koch F/A Complete Training Bolt Group for HK91, G3, and PTR Surplus HK German Plastic training ammo bolt group. To be used with the readily available and cheap plastic tipped training ammo only! A neat collectible item as only a small...HKP-18265$0.00 -
HK UMP Magazine Locking Plate - .45 ACP
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) Magazine Locking PlateHKP-16338$9.95 -
HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus
H&K Heckler & Koch
$349.95HK Heckler and Koch Complete Full Auto Steel Green Lower SEF from Surplus Stock for HK91, G3 Each lower includes a complete full-auto trigger pack, selector lever, green grip, metal SEF grip frame, and grip screw with washer. All parts are installed and...HKP-16215$349.95 -
HK91, G3 Tactical Handguard
PTR
$149.95New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...HKP-00368$149.95 -
HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned
H&K Heckler & Koch
$199.95HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...HKP-17945$199.95 -
HK91, G3 Tactical Rail - 4"
HKP HK Parts
$12.95HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-02528$12.95 -
Out Of Stock
HK MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin
H&K Heckler & Koch
$369.95H&K MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin - 9mm This is a factory German push pin style housing. HK marked and new latest factory fresh production. Specifications: 3 Position Pictogram Markings: 0,1,F Navy...HKP-17143$369.95