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 E1 Charging Handle - Extended - Ambidextrous
H&K Heckler & Koch
$209.95H&K HK MR762/417/G28 E1 Extended Ambidextrous Charging Handle HK German MR762/HK 417 extended charging handle. The unique release latch can be swapped from left to right sides to make each setup ambi friendly and modular. HK's own design boasts an...HKP-16599$209.95 -
HK45, HK45 Compact, USP Disconnector
H&K Heckler & Koch
$9.95HK German USP 45, HK45, & HK45C Disconnector Compatible: HK45 USP9 USP40 USP45 USP Compact 9 USP Compact 40 USP Compact 45HKP-01175$9.95 -
X300 Tactical Light - Ultra LED - FDE
Surefire
$332.95Surefire X300 Ultra LED Tactical Light - FDE This newly enhanced version of our best-selling SureFire X300 Ultra now delivers a stunning 1,000 lumens of LED-generated output focused by a precision TIR lens, creating a far-reaching high-intensity beam -...HKP-19036$332.95 -
HK USPC Night Sights - Tru-Dot - Yellow, Green
Meprolight
$105.95Meprolight HK USPC Tru-Dot Night Sights - Yellow/Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to...HKP-01910$105.95 -
Glock Drum Magazine - 100 Round - 9mm
Beta C-Mag
$759.95Beta C-Mag 100 Round Glock 9mm Drum Magazine Specifications: Caliber: 9mm Capacity: 100 Rounds Material: Polymer Manufacturer: The Beta Company Compatible With: Glock 17 Glock 19 Glock 26 Clock 18 double stack Glock 9mm modelsHKP-02622$759.95 -
HK416 Front Sight Roll Pin - Folding 33mm
H&K Heckler & Koch
$4.95HK 416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment.HKP-14144$4.95 -
HK MR556, MR762 Tactical Sling Adapter
H&K Heckler & Koch
$130.00HK MR556 & MR762 Factory Sling Adapter - Swivel Style Factory HK German design. New HK manufactured part that allows the factory HK416 and MR762 slings to fit the MR556 and MR762 by providing the proper attachment point. This unit swivels...HKP-02507$130.00 -
HK G36, SL8 Firing Pin Retaining Pin
H&K Heckler & Koch
$10.95H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8HKP-02469$10.95 -
HK UMP, USC Flash Hider - Birdcage - Threaded 16x1 LH
HDPS
$137.95HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...HKP-02579$137.95 -
HK Night Vision Manual- Z51 Zeiss Fero
HKP HK Parts
$20.95HKP Night Vision Manual- Z51 Zeiss/Fero Fero, Zeiss Z-51 English translated operators manual. This is the manual for the recently imported German night vision scope for the MG3 Machinegun, G3 Rifle, and Pazerbusche 84. This is a page-by-page translation...HKP-15224$20.95 -
HK91, G3 A3 Retractable Buttstock - Used Good
H&K Heckler & Koch
$799.95HK Heckler and Koch A3 Retractable Stock for HK G3 and HK91 in Excellent Condition Used HK German A3 retractable buttstocks pulled from German G3 rifles. All come in working order with various degrees of use but 100% operational. These range from Good to...HKP-18067$799.95 -
Out Of Stock
HK Factory Buttstock - Central Section - HK Green
H&K Heckler & Koch
$34.95H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production. PLEASE NOTE: These units have handling marks and the price has been set accordingly.HKP-16987$34.95