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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HK417, MR762, G28 Sling Adapter with Loop - Ambi
H&K Heckler & Koch
$129.95Heckler and Koch Ambidextrous Sling Adapter with Sling Loop for HK417, HK MR762, and HK G28 HK German manufactured MR762 and HK417 Sling Adapter Backplate with HK Sling Loop. This backplate has ambidextrous sling attachment points for both the left and...HKP-17686$129.95 -
HK417, MR762 Charging Handle Pin
H&K Heckler & Koch
$6.95H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417HKP-16754$6.95 -
HK417, MR762 Axle Extractor Retaining Pin
H&K Heckler & Koch
$8.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$8.95 -
HK45 Compact Holster - Compensator
HKP HK Parts
$79.95HKP HK45C Comp Weight™Compensator Holster The HK45C series Comp Weight™ Compensator holster is an outside the waistband that allows you to use the holster with the HK Parts Comp Weight™ installed. For a right-hand shooter. Each holster...HKP-18992-M$79.95 -
On Sale
HK P30SK Holster - Infidel Max
Comp-Tac
Now: $66.95Was: $74.95Comp-Tac HK P30SK Infidel Max Holster The Infidel Max Holster is an all-Kydex Inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and FBI forward cant. The Infidel Max Holster all-Kydex body...HKP-17516-MNow: $66.95Was: $74.95 -
Out Of Stock
HK VP9, P30, HK45 Optic Mount Set - Front and Rear Sights - Red, Green
Hi-Viz
$99.95HiViz HK Front & Rear Fiber Optic Set - RED, GREEN & Black The new LITEWAVE sight system includes 3 sets of fiber optic sight options. The lightwave technology allows the shooter to change the light pipe color at will to each person's style,...HKP-16260$99.95 -
HK P Series Hammer Axle
H&K Heckler & Koch
$51.95HK P Series Hammer Axle Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SKHKP-01797$51.95 -
On Sale
HK USP Firing Pin - New Style - Titanium
HKP HK Parts
Now: $39.95Was: $49.95HKP HK USP New Style Titanium Firing Pin A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry...HKP-17826Now: $39.95Was: $49.95 -
On Sale
HK VP9, USP, P30, P2000 4 Prong Pistol Flash Hider - 9mm - Threaded 1/2x28
USA
Now: $62.95Was: $74.95Heckler and Koch 9mm 4 Prong Pistol Flash Hider - Threaded 1/2x28 This flash hider enhances both the look and functionality of your firearm. Constructed from 4140 ordnance-grade steel, it is heat-treated and finished with a Melonite coating...HKP-01965Now: $62.95Was: $74.95 -
HK416, HK417, MR556, MR762 Long Disconnector Spring
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16774$9.95 -
HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...HKP-18200$369.95 -
HK416, MR556 Hammer, Complete - Semi Auto
H&K Heckler & Koch
$107.95H&K HK416, MR556 Semi-Auto Hammer - Complete Genuine German complete hammer and spring assembly. Includes: Semi-auto hammer Hammer spring Side bushing Compatible With: MR556A1 MR556 A4 HK416 AR-15 AR-15 style semi-auto firearms chambered in...HKP-02673$107.95