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
HK P7 M8, M13 Big Dot - DXT2 - Yellow
XS Sights
Now: $134.95Was: $149.95DXT2 XS Big Dot Yellow Night Sights - HK P7 M8, P7 M13 XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch...HKP-19278Now: $134.95Was: $149.95 -
Out Of Stock
HK SP5, MP5 Trigger Housing - SEF Universal Contoured - Clipped and Pinned - 9mm
H&K Heckler & Koch
$349.95H&K Heckler and Koch 9mm Clipped and Pinned SEF Universal Contoured Trigger Housing for HK SP5 and HK MP5 This SEF contoured trigger housing is designed for universal compatibility with both HK SP5 and MP5 semi-auto shelf styles. Featuring contoured...HKP-19271$349.95 -
Out Of StockOn Sale
HK VP9 Holster - The Defender IWB, OWB- LH
L.A.G. Tactical
Now: $59.95Was: $79.95L.A.G. Tactical HK VP9 The Defender IWB/OWB LH Holster The Defender is known for being lightweight and comfortable. The easily interchangeable belt loops take you seamlessly from your outside the waistband range set up, to your highly concealable inside...HKP-18709Now: $59.95Was: $79.95 -
HK VP9, VP40 Locking Block Guide
H&K Heckler & Koch
$119.95Heckler and Koch Locking Block Guide for HK VP9 and HK VP40 Locking Block Guide complete, welded for all VP9 and VP40 frames. Compatible With: VP9 VP9F VP9K VP40HKP-16789$119.95 -
HK417, MR762 14.7" Modular Rail System
H&K Heckler & Koch
$479.95HK MR762, CR762 & HK 417 14.7" Extended Modular Rail System (MRS) - Rare New HK German modular rail system for the HK MR762. Each unit comes with 2 X 5 slot rails attached on the HKey attachment system as well as all hardware for attachment. This is...HKP-17343$479.95 -
HK417, MR762 Hammer Axle
H&K Heckler & Koch
$13.95H&K HK MR762/417 Hammer Axle Compatible With: HK MR762 HK 417HKP-16622$13.95 -
On Sale
HK45C, USPC Magazine Extension - 20 Round
HKP HK Parts
Now: $31.95Was: $39.95HK45C & USPC .45 20 Round Magazine Extension Kit: The HK Parts manufactured HK45C, USPC .45 mag extension allows the user to convert existing HK45C & USPC .45 magazines to a 20 round magazine capacity. Each HK magazine extension kit includes the...HKP-17158Now: $31.95Was: $39.95 -
HK45 Grip Bearing With Lockout Device
H&K Heckler & Koch
$26.95HK 45 Grip Bearing With Lockout DeviceHKP-02215$26.95 -
HK Mark 23 Right Side Safety Lever
H&K Heckler & Koch
$33.95HK Mark 23 Right Side Safety LeverHKP-01787$33.95 -
HK Mark 23, SOCOM Hammer Strut
H&K Heckler & Koch
$42.95Heckler and Koch Hammer Strut for HK Mark 23 and SOCOMHKP-01593$42.95 -
HK P30, P30L Loaded Chamber Indicator
H&K Heckler & Koch
$46.95HK P30 Loaded Chamber IndicatorHKP-02213$46.95 -
HK VP9, P30, HK45 Front Sight 6.9mm - Red
H&K Heckler & Koch
$29.95Red Phosphorescent Front Sight - 6.9mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18834$29.95