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
Streamlight TLR-2G Tactical Light and Laser Combo - Green
Streamlight
Now: $389.95Was: $433.95Streamlight TLR-2G Tactical Light and Laser Combo - Green New C4 LED technology, impervious to shock with a 50,000 hour lifetime. Highly visible 522-542 nm green laser C4 LED delivers 6,300-candela peak beam intensity; 200 lumens. Textured parabolic...HKP-16717Now: $389.95Was: $433.95 -
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 -
Out Of Stock
HK USP Compact Slide Release Lever
H&K Heckler & Koch
$64.95HK USPC Slide Release Lever New HK German factory part. Compatible With: HK USP Compact 9mm HK USP Compact .357 HK USP Compact .40 HK USP Compact .45 HK USP Compact Tactical ModelsHKP-02252$64.95 -
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 -
HK416 Front Sight Roll Pin - Folding 33mm
H&K Heckler & Koch
$4.95Heckler and Koch HK416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment.HKP-14144$4.95 -
HK416, MR556, HK417, MR762 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/416/417 Trigger Made in Germany. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-15210$189.95 -
$19.95 -
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 G36, SL8 Bolt Catch Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Bolt Catch SpringHKP-01861$9.95 -
On Sale
HK UMP Paddle Magazine Release - Extended
HKP HK Parts
Now: $27.95Was: $34.95HKP HK Parts Extended Paddle Magazine Release for HK UMP 9mm, .40 S&W, .45 ACP Billeted alloy UMP magazine release. This is a very common repair and replacement part as they are fairly easy to break on the UMP lower. With this new metal mag release...HKP-17919Now: $27.95Was: $34.95 -
HK Optic Mount Ring Set - 1 Inch for 30mm Scope
H&K Heckler & Koch
$89.95H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.HKP-02474$89.95 -
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