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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HK91, PTR-91 Bolt Head Complete
PTR
$179.95HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head...HKP-20140$179.95 -
Out Of Stock
HK VP Series Trigger Housing with Ejector
H&K Heckler & Koch
$49.95H&K VP9/SK & VP40 Insert Housing w/ Ejector Insert housing with ejector for HK VP9 & VP40. Compatible With: HK VP9 <HKP-16804$49.95 -
HK VP9, VP40 Grip Panel Left Side - Small - FDE
H&K Heckler & Koch
$24.99H&K VP9, VP40 Grip Panel Left Side - Small - FDE New HK German manufactured. Left side, small size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible...HKP-18112$24.99 -
HK45, HK45T Firing Pin
H&K Heckler & Koch
$45.99HK 45 & 45 Tactical Firing Pin A must-have spare part for your HK45 pistol. Compatible With: HK45HKP-02221$45.99 -
On Sale
HK P7M8, P7M10, P7M13 Sight Set - Fiber Optic
Hi-Viz
Now: $38.22Was: $59.95Hi-Viz Fiber Optic Sight Set for HK P7M8, P7M10, P7M13 Fiber optic sight set for HK P7-series pistols. The set includes a green rear sight and an interchangeable fiber-optic front sight with red and...HKP-16937Now: $38.22Was: $59.95 -
HK Mark 23 7.1mm +4 Rear Sight
H&K Heckler & Koch
$44.95HK Mark 23 Rear Sight - 7.1mm 7.1mm - +4mm Each (+) raises the POI by 2", each (-) lowers it by 2". Other Rear Sight heights: 5.5mm (-8)HKP-16651$44.95 -
HK P30SK Backstrap - Medium - Black
H&K Heckler & Koch
$29.95H&K P30SK Backstrap - Medium - Black Compatible With: HK P30SKHKP-18079$29.95 -
HK P2000SK Magazine Housing - .40 S&W - 9 Round
H&K Heckler & Koch
$24.95Heckler and Koch 9 Round .40 S&W Magazine Housing for HK P2000SKHKP-18142$24.95 -
Out Of Stock
HK P2000,P2000SK HK09 Night Sight Set - Orange
Trijicon
$149.95Trijicon HK P2000/P2000SK HK09 Night Sight Set - Orange Trijicon Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy five times over conventional sights...HKP-08799$149.95 -
HK USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round
H&K Heckler & Koch
$5.9510 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazineHKP-01591$5.95 -
HK USP Full Size Right Side Ambidextrous Control Lever
H&K Heckler & Koch
$29.95H&K HK USP Full Size Right Side Ambidextrous Control Lever Good spare to have on hand as they are prone to damage or cracking. This item will only fit the left side ambidextrous control lever with...HKP-16625$29.95 -
On Sale
HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key
HKP HK Parts
Now: $31.84Was: $49.95HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being...HKP-17848Now: $31.84Was: $49.95