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 Mark 23 Hammer
H&K Heckler & Koch
$79.95HK Mark 23 Hammer Factory new hammer for the Mark 23 or SOCOM pistol.HKP-01578$79.95 -
$13.95 -
HK VP9, P30, HK45 Front Sight 6.9mm - Green
H&K Heckler & Koch
$52.95Heckler and Koch VP, P30, HK45 Front Sight - 6.9mm - Green Factory green front sight with a 6.9mm height for HK VP, P30, and HK45 series pistols. Intended for replacement or sight height adjustment on compatible slide assemblies. Compatible With: VP9,...HKP-02260$52.95 -
HK VP9, P30, P30L, HK45 Front Sight - 6.5mm - Red
H&K Heckler & Koch
$49.95Red Phosphorescent Front Sight - 6.5mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18832$49.95 -
HK P2000, P2000SK Front Sight - 5.9mm
H&K Heckler & Koch
$49.95Heckler and Koch P2000, P2000SK 5.9mm Front Sight Factory German front sight designed for HK P2000 and P2000SK pistols. This 5.9mm height sight is intended for replacement or sight height adjustment on compatible slide assemblies. Compatible...HKP-12706$49.95 -
On Sale
HK USP Rear Night Sight - Tru-Dot - Green
Meprolight
Now: $39.95Was: $69.95Meprolight HK USP Tru-Dot Rear Night Sight - Green Rear tritium night sight designed for HK USP full-size pistols. Provides a green illuminated aiming reference in low-light and no-light conditions without the use of batteries. Suitable for duty,...HKP-16592Now: $39.95Was: $69.95 -
Out Of Stock
HK German Factory Handguns Aluminum Padded Case
H&K Heckler & Koch
$0.00H&K HK German Factory Handguns Aluminum Padded Case New HK German Euro factory case for the HK Expert or HK Elite or any HK USP variant. Rare hard to find and factory brand new. Will also fit all USP and other HK pistol offerings. Pre-cut foam with 2...HKP-17656$0.00 -
HK USP Firing Pin Block - Old Style - .40 S&W, .45 ACP
H&K Heckler & Koch
$32.95Heckler and Koch Old Style Firing Pin Block for HK USP Compatible With: USP45 USP40HKP-01927$32.95 -
HK USP, USP Compact Complete Mag Lockout Device
H&K Heckler & Koch
$19.95H&K HK USP/USPC Complete Mag Lockout Device Easily installs and replaces the existing lanyard to the newer style lock out upgrade for the magazine lockout. Used to comply with certain state's laws and for added safety in some conditions and...HKP-16397$19.95 -
Out Of Stock
HK USP, USP Compact Old Style Hammer
H&K Heckler & Koch
$0.00HK USP & USPC Variants 1-4, 9, & 10 Old Style Hammer Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W & .357 HK USP Compact .45 ACP Any USP pre-1995 with the old-style sear...HKP-02766$0.00 -
HK USP Series Front Sight 6.0mm
H&K Heckler & Koch
$54.95HK USP Series Front Sight 6.0mm Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACPHKP-02254$54.95 -
HK45, HK45 Compact, USP Old Style Bobbed Hammer
H&K Heckler & Koch
$64.95HK USP & USPC Bobbed Hammer - Older Style (without the cutout) This part is compatible with older USP full-size & USPC firearms that have the old-style hammer already. Perfect for those who prefer the shorter, lower profile "bobbed" hammer. This...HKP-14552$64.95