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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HK VP9K Magazine, Complete - 20 Round
HKP HK Parts
$78.95HKP HK Parts 20 Round 9mm Complete Magazine for HK VP9A1 K This fully assembled 20-round magazine for the HK VP9A1 K combines a factory German 15-round magazine body with the HK Parts +5 magazine...HKP-21974-M$78.95 -
On Sale
HK MP5 Handguard - M-LOK - Extended Length
UTG PRO
$178.16 - $221.36UTG HK MP5 PRO Monolithic M-LOK Handguard - Extended Length The UTG PRO extended monolithic M-LOK handguard builds on the original with added real estate out front for mounting accessories. ...HKP-21673-M$178.16 - $221.36 -
On Sale
HK MP5K, SP5K Shoulder Rig Lanyard with Ring - US Made
Now: $15.96Was: $19.95HKP - U.S MP5K Shoulder Rig Lanyard with Ring For use with all HK shoulder harnesses to quickly deploy the stock when folded. This is the same style unit used by agencies such as the Secret Service,...HKP-20855Now: $15.96Was: $19.95 -
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P2000, P2000SK, 45 & 45C Slim Slide Release Lever Set This set provides a lower profile slide release for those who conceal carry or ride the slide and prefer a lower profile slide release...HKP-02388$89.95 -
HK45, USP Sear Catch - New Style, LEM, Standard
H&K Heckler & Koch
$19.95HK USP & 45 LEM & Standard Models New Style Sear Catch This is the new style catch to convert older USP models to the newer style catch and is needed for the LEM conversions. It is also known as the...HKP-01803$19.95 -
Out Of Stock
HK416, MR556 Bench Mat
HKP HK Parts
$24.95HK MR556, HK 416 Bench Mat Our HK MR556, HK416 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR556 & HK416 models. Have fun and learn while you work on...HKP-17169$24.95 -
On Sale
HK .45 ACP Laser Bore Sighter
AIM
Now: $16.46Was: $19.95AIM .45 ACP Laser Bore Sighter Red laser bore sighter designed for .45 ACP firearms to assist with initial optic or sight alignment. This chamber-insert style bore sighter allows users to get on...HKP-16217Now: $16.46Was: $19.95 -
HK VP9, P30 Magazine - 27 Round - 9mm
HKP HK Parts
$109.9527 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +10 magazine extension to assemble them into a working 27...HKP-19410$109.95 -
Out Of Stock
HK45C Finger Rest Magazine Extension - +2
HKP HK Parts
$29.95HK45C 8 Round Magazine +2 Magazine Extension/Finger Rest All of the HK .45 cal mags will soon have a variety of mag extensions! More to come. HK45C 8 round +2 mag extensions. Replaces the floorplate...HKP-17999$29.95 -
HK416, MR556 Ejection Port Spring
H&K Heckler & Koch
$9.95Heckler and Koch HK MR556/416 Ejection Port Spring Compatible With: HK MR556 HK 416HKP-02616$9.95 -
Out Of Stock
HK UMP Paddle Magazine Release - Heckler and Koch
H&K Heckler & Koch
$16.95Heckler and Koch Paddle Magazine Release for HK UMP This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or...HKP-00810$16.95 -
HK MP5, HK33, HK93 A2 Fixed Buttstock - Wood
H&K Heckler & Koch
$399.95HK Heckler and Koch Fixed Wood Stock for HK MP5, HK94, HK93, HK33 Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory...HKP-16328$399.95