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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Out Of Stock
HK MP5, MP5K 9mm Extractor
RCM
$29.95RCM MP5 & MP5K 9mm Extractor Made from ordnance grade steel and heat treated. These are the latest F type extractor for all HK MP5/94 bolt heads. Perfect to get that out of spec clone or worn out HK bolt working as it should. Made in the USA, these...$29.95 -
HK416, G36, Colt M4 Magazine - .22LR - 10 Round
Walther
$39.95HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible With: HK 416 .22 Colt M4 .22 Beretta AR160 HK G36 .22 Hammerli Tac .22$39.95 -
HK Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
$69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...$69.95 -
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
$19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...$19.87 -
HKP .45 ACP Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded 16x1 LH The HK Parts Micro Comp & Thread Protector combines lightweight design with dual functionality as both a compensator and thread protector. It easily attaches to any factory spec 16x1 LH .45 ACP barrel,...$29.95 -
HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen
H&K Heckler & Koch
$14.95HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...$14.95 -
HK90 Series Retaining Spring for Ejector Lever Axle
USA
$1.95Ejector Lever Axle Retaining Spring This is the perfect spring ring to replace your worn out ejector lever axle spring ring. Made to HK spec for the best US replacement part on the market. Replacement of the retaining spring clip is necessary to keep...$1.95 -
HK MP5SD Front Sight Tower with Cocking Tube End Cap
HKP HK Parts
$69.95HKP MP5SD Front Sight Tower With Cocking Tube End Cap MP5SD Front Sight Assembly Complete - USA MP5SD fashioned front sight tower with cocking tube end cap machined as one solid billeted piece. Never before offered and the finest MP5SD front sight...$69.95 -
HK91, G3 Wood Stock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...$119.95 -
HK MP5, MP5K Magazine - 30 Round
Mora Arms
$29.95Mora Arms HK MP5, MP5K Magazine - 30 Round 30-round curved steel magazine for MP5 platforms. Compatible With: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK 94 In spec. clones and custom builds$29.95 -
HK VP9, VP9L, VP9SK Night Sights - Suppressor Height - Orange
XS Sights
$137.95Minimalist Orange - HK VP9, VPL, VP9SK Optics Ready Suppressor - Tritium Night Sights - XS Sights XS Minimalist sights for HK VP9 OR (Optics Ready) pistols are regulated to be lower 1/3 co-witness on Trijicon RMR and Holosun 507 optics. The sights are...$137.95 -
On Sale
HK MP5K, HK SP5K, B&T UMP Folding Stock
B&T Brugger & Thomet
Now: $296.95Was: $437.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T stock foldable polymer with adapter for HK MP5K. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these...Now: $296.95Was: $437.95