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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Out Of Stock
HK45, HK45 Compact V4 LH Decock Only Lever
H&K Heckler & Koch
$29.95HK 45 & 45C V4 LH Decock Only Lever The V4 lever is for the right side of the frame for a left-handed shooter. This lever is to be used in conjunction with the V3/4 detent plate found below. Detent...HKP-02707$29.95 -
HK P7 Series Trigger Pin - Cylindrical
H&K Heckler & Koch
$8.95Heckler and Koch Trigger Pin aka Cylindrical Pin for the HK P7 Series Compatible With: P7PSP P7M8HKP-01319$8.95 -
On Sale
HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK P30L .40 S&W Tactical Barrel - Threaded 14.5x1 LHHKP-16220Now: $202.50Was: $225.00 -
HK USP Compact Variant 4 Right Decock Control Lever
H&K Heckler & Koch
$34.95USPC - Decock Lever V4 - Decock Only Compatible with all USP Compact pistols and provides the V4 Decock ONLY (no safety function) when used with the Variant 3 & 4 Detent Plate. This is the correct...HKP-02264$34.95 -
HK USP Series Front Sight 7.4mm
H&K Heckler & Koch
$19.95H&K HK USP Series Front Sight 7.4mm Compatible With: HK USP 9mm HK USP 40 S&WHKP-16548$19.95 -
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: HKHKP-16774$9.95 -
$14.95 -
HK G36, SL8 Handguard - Gen 1
H&K Heckler & Koch
$121.95German HK G36 & HK SL8 Black Forearm- 1st Gen This part is the older style 1st gen that has the bipod grove to allow the factory HK bipod to be installed. New HK black in color without a heat shield...HKP-01936$121.95 -
HK G36 Cocking Handle Bushing
H&K Heckler & Koch
$11.95HK German G36 Cocking Handle BushingHKP-01869$11.95 -
Out Of Stock
HK USC Magazine Release Axle
H&K Heckler & Koch
$18.95Heckler and Koch .45 ACP Magazine Release Axle for HK USC Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be...HKP-02584$18.95 -
Out Of Stock
HK23E Locking Piece #20T - 70 Degree
H&K Heckler & Koch
$299.95HK23E 70 Degree 20T Locking Piece - German HK New This is hard to find as the HK23E or the parts for the HK23E are no longer in production.HKP-01451$299.95 -
On Sale
PTR-32 Locking Piece - 65 degree
PTR
Now: $61.16Was: $67.95PTR-32 (7.62x39) Locking Piece - 65 degree New PTR Locking Piece For PTR-32. Marked "32" for the PTR-32 series of rifles and pistols. This is a 65 degree locking piece. New PTR manufacture. This...HKP-18520Now: $61.16Was: $67.95