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 MP5K Trigger Housing - SEF Navy - Push Pin - 9mm - LIKE NEW
H&K Heckler & Koch
$99.95Heckler and Koch MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin...HKP-20576$99.95 -
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...HKP-01446$69.95 -
Out Of Stock
HK G36C Parts Kit
HKP HK Parts
$1,499.95HKP G36C Parts Kit HK Parts brings you a complete G36 parts kit, loaded out with everything you need to complete a stHKP-21492$1,499.95 -
HK MP7 Magazine - 4.6x30mm - 40 Round
H&K Heckler & Koch
$85.99HK German MP7, MP7A1, & MP7A2 - 40 Round Magazine New Factory German. For use with all the 4.6 X 30mm HK MP7A1 & MP7A2.HKP-00364$85.99 -
On Sale
Ergo Rail Cover
Ergo
Now: $3.71Was: $8.95Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers loHKP-13514Now: $3.71Was: $8.95 -
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...HKP-17834$69.95 -
On Sale
HK MP5K, SP5K Folding Stock with HKP Adapter - UMP Style
B&T Brugger & Thomet
Now: $268.16Was: $297.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock H&K German polymer folding stock with a B&T adapter for HK MP5K. 100% Swiss and German HK made. This is a military grade stock. B&T Switzerland has...HKP-16944Now: $268.16Was: $297.95 -
Out Of Stock
HK .45 ACP Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded .578x28 RH The HK Parts micro comp & thread protector is designed to be lightweight and functional as both a compensator and thread protector. The HK Parts micro...HKP-20212$29.95 -
On Sale
HK USP, P2000, HK45C Enhanced Magazine Release
HKP HK Parts
Now: $16.85Was: $44.95HKP Enhanced Magazine Release -HK USP, P2000, HK45C HK Parts Enhanced and Over-sized Magazine Release. The over-sized magazine release increases the overall surface area and makes it possible to...HKP-21491-MNow: $16.85Was: $44.95 -
Out Of Stock
HK USP Magazine - .40 S&W - 16 Round - Translucent
H&K Heckler & Koch
$50.00HK German USP .40 cal Jet funnel Magazine The 16-round magazine will fit all HK USP .40 full-size pistols, as well as the HK .40 Expert and Elite. This item can be used with or without the jet...HKP-00301-M$50.00 -
On Sale
HK MP5 Magazine Spring - 30 Round - Enhanced
HKP HK Parts
Now: $8.06Was: $8.95HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MPHKP-22157Now: $8.06Was: $8.95 -
On Sale
B&T Vertical Foregrip - Short Style - Quick Detach
B&T Brugger & Thomet
Now: $63.75Was: $75.00B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water...HKP-17679Now: $63.75Was: $75.00