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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HK416, MR556 Handguard Front Sight - Folding
H&K Heckler & Koch
$134.95HK Heckler and Koch Folding Front Sight for HK416, and HK MR556 Handguards German HK built in folding front sight for the forearms and handguards.HKP-19462$134.95 -
HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable
B&T Brugger & Thomet
$379.95B&T HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable This Swiss-made folding helmet stock offers a compact, military-grade solution for MP5K-pattern firearms. Built from durable polymer and aluminum, it provides smooth length adjustment and...HKP-18101$379.95 -
B&T APC223, APC300 Telescopic Stock - 3 Position
B&T Brugger & Thomet
$650.00B&T APC223, APC300 3-Position Telescopic Stock Swiss-made B&T telescopic stock for the APC223 and APC300. This is a military-grade factory stock supplied by B&T to law-enforcement and military worldwide. Specifications: Steel,...HKP-18312$650.00 -
HK VP9SK, VP40SK Backstrap - Large - OD Green
H&K Heckler & Koch
$9.95H&K VP9SK, VP40SK Back Strap - Large - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18970$9.95 -
HK P30L Barrel - 9mm - 4.45" - Non-Threaded
RCM
$206.25RCM HK P30L 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK P30L 9mm pistol, ideal as a spare or for...HKP-16686$206.25 -
HK P30L Barrel - .40 S&W - 4.45"
H&K Heckler & Koch
$234.95Heckler and Koch Barrel for P30L .40 cal pistol Factory German P30L .40 Cal 4.45" barrel perfect for replacement or for that project barrel. Features: 4.45 inches in length Cold-hammer forged six sided polygonal 9.84 inches twist...HKP-02411$234.95 -
HK VP9SK Grip Panel Left Side - Small - FDE
H&K Heckler & Koch
$25.95H&K VP9SK Left Side Grip Panel - Small - FDE New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18962$25.95 -
HK VP9SK Locking Block Guide
H&K Heckler & Koch
$180.95H&K HK VP9SK Locking Block Guide Locking block guide complete, welded for frame on all HK VP9SK, VP40SK models. Compatible With: HK VP9SK HK VP40SK Does NOT fit the full size VP modelsHKP-18309$180.95 -
HK P30, P30S Barrel - 9mm - 3.85"
H&K Heckler & Koch
$269.95Factory barrel for HK P30 and HK P30S 9mm pistols made by Heckler and Koch in black. Features: Factory made in Germany 3.85" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its...HKP-01828$269.95 -
On Sale
HK VP40 International Holster - LH
Comp-Tac
Now: $43.95Was: $79.95Comp-Tac HK VP40 International LH Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-17471Now: $43.95Was: $79.95 -
HK USP Series Front Sight 6.4mm
H&K Heckler & Koch
$21.95H&K HK USP Series Front Sight 6.4mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEMHKP-16546$21.95 -
HK33, HK93 2-Stage Trigger
Timney Triggers
$388.95Timney Trigger for - HK93, HK33 The Timney HK93 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...HKP-20509$388.95