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 MP5, SP5 Replacement Parts Kit
HKP HK Parts / Heckler & Koch
$229.95HK / HKP MP5, SP5 Replacement Parts Kit This kit has the the most commonly worn parts needed to keep your precious MP5/MP5K going. Our German and U.S. spare parts kit has everything you will need to keep feeding rounds down range. Our spare parts kit...HKP-20919$229.95 -
HK45, 45T, P30L International Holster
Comp-Tac
$74.95 - $84.95Comp-Tac HK 45/Tactical/P30L International 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...HKP-17482-M$74.95 - $84.95 -
HK MP5 Lighted Handguard -Surefire 628LMF
Surefire
$579.95Surefire - 628LMF - Lighted Forearm The 628 LMF generates 1000 lumens of output and has a tactical runtime of 2 hours per set of batteries, with gradually decreasing output afterward. Surefire 628LMF Features: Virtually indestructible LED and...HKP-03285$579.95 -
HK USP 9mm, 40 S&W Recoil Spring
H&K Heckler & Koch
$9.95HK USP 9mm/40 S&W Recoil Spring It is the factory 12-12.5 lb. recoil spring. Fits the 9mm or .40 USP pistols and can also be used as a reduced-weight spring for the HK USP .45 pistol. A great replacement item that should be...HKP-02067$9.95 -
HK VP9, P30 +15 Magazine Extension
HKP HK Parts
$22.95 - $29.95HKP HK VP9/P30 +15 Magazine Extension The HK Parts manufactured HK pistol mag extension allows the user to convert existing VP9, P30, P2000, & USPC magazines to an enhanced magazine capacity. Each mag extension is made from next-generation enhanced...HKP-16857-M$22.95 - $29.95 -
HK Rifle Rubber Buttpad - Wooden Stocks - Enhanced
HKP HK Parts
$29.95Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...HKP-17667$29.95 -
HK MP5 Folding Stock with HK Parts Adapter
B&T Brugger & Thomet
$277.95B&T Folding Stock for All MP5 Full Size Variants Swiss made B&T folding stock completely assembled With our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Compatible With: MP5 (NOT...HKP-20216$277.95 -
HK UMP, USC, SL8, G36 Front Sight Roll Pin - 9mm, .40 S&W, .45 ACP, 5.56 / .223
H&K Heckler & Koch
$5.95Front Sight Roll Pin - HK UMP, USC, G36, & SL8HKP-02158$5.95 -
HK33, HK53, HK93 Extractor
RCM
$29.95RCM HK 93/53/33 (5.56/.223) Extractor New US-made HK RCM HK 93, HK 33, HK 53 .223/5.56 Extractor. Each unit is made with an enhanced material and polished for optimum feeding and extraction. This is simply the finest HK93,33,53 extractor available. A...HKP-14962$29.95 -
B&T Sling Swivel - Universal Picatinny Attachment
B&T Brugger & Thomet
$15.95B&T Sling Swivel - Universal Picatinny Attachment Designed for H&K snap-hooks, and mounts to any M1913 Picatinny Rail. Strong non-marring silent attachment point. Specifications: Color: Black Height max: 16.3 mm Length max: 12 mm Length...HKP-16893$15.95 -
HK MP5 Stock - KES
Safety Harbor Firearms
$279.95KES HK MP5 Stock The all-new KES is designed to fit the MP5 pattern pistols/rifles. Specifications: Guide rods slide into the existing slots present on the receiver Rods machined to go underneath the reinforcing piece welded onto the rear of the...HKP-21086$279.95 -
HK USP Detent Plate - V5, V6, V9, V10
H&K Heckler & Koch
$19.95HK Detent Plate For USP Variant 5, 6, 9, & 10 Conversions This plate, when installed, will allow you to have the "safety" only and NO decock function on your pistol. This plate will fit and work for both left-hand and right-hand setups. Compatible...HKP-01247$19.95