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
3 Lug Adapter - 9mm - Threaded 1/2x28
HKP HK Parts
$49.95HKP 9mm 3-Lug Adapter - Threaded 1/2x28 The HK 3-Lug Adapter is a premium component designed to enhance your setup. It features internal 1/2x28 threading, allowing you to attach it to existing 1/2x28 threaded applications. This adapter enables the use...HKP-00106$49.95 -
On Sale
HK UMP, USC Rail Section - Hardware Included
UTG
Now: $20.95Was: $24.95UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made from...HKP-00598Now: $20.95Was: $24.95 -
HK CC9 Magazine - 9mm - 17 Round
HKP HK Parts / Heckler & Koch
$79.95HK Parts presents this 17 Round 9mm Complete Magazine This fully assembled 17-round magazine for the HK CC9 combines a factory German 12-round magazine with the HK Parts +5 magazine extension. Compatible With: HK CC9HKP-20339-M$79.95 -
On Sale
HKP 9mm Micro Comp - Threaded 13.5x1 LH
HKP HK Parts
Now: $23.95Was: $29.95HKP 9mm Micro Comp - Threaded 13.5x1 LH This lightweight micro comp functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any factory spec 13.5x1 9mm barrel. It was developed to provide concealed...HKP-19849Now: $23.95Was: $29.95 -
HK MP5, MP5K 9mm Cleaning Kit
HKP HK Parts / Heckler & Koch
$79.95HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush - MKE Contract Phosphor Bronze Bore...HKP-00347$79.95 -
On Sale
HK P7 Series 4 in 1 Gas Cylinder Cleaning Tool
USA
Now: $18.95Was: $21.95P7 Series 4-In-1 Gas Cylinder Cleaning Tool Made from stainless steel and hand-fitted for perfect fitment on each P7 pistol. Each tool features a 4-in-1 (seven tool) and includes a precisely sized tip for grip screw removal, a gas cylinder...HKP-02080Now: $18.95Was: $21.95 -
On Sale
Pistol Rug Case - Bundesadler
HKP HK Parts
Now: $15.95Was: $19.95HKP Pistol Rug - Bundesadler Keep your handgun safe with the HK Parts pistol rug featuring the iconic German Bundesadler crest. This heavy duty pistol case will accommodate one pistol and up to 5 magazines. Features: Measures 8x13" closed and...HKP-21014-MNow: $15.95Was: $19.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 10 Round - 9mm - California Compliant - KCI
KCI
Now: $52.95Was: $58.95California Complaint Magazine 10-30 - MP5, MP5K - GEN 2 - KCI USA This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay...HKP-20669Now: $52.95Was: $58.95 -
HK VP9SK, P30SK Magazine - 9mm - 10 Round - Extended Finger Rest - Red Follower
H&K Heckler & Koch
$49.95HK VP9SK & P30SK 9mm - 10 Round Magazine with Rubberized Extended Finger Rest - Red Follower New German HK manufacture 10 Round 9mm P30SK, VP9SK magazine with factory HK rubberized pinky extension. Compatible With: HK VP9SK HK P30SK This mag comes...HKP-21420$49.95 -
HK USP9 Jet Funnel Magazine - 18 Round - Translucent
H&K Heckler & Koch
$68.95Heckler and Koch 9mm 18 Round Translucent Jet Funnel Magazine for HK USP Each magazine will fit all HK USP 9mm full-size pistols as well as the HK 9mm Expert, Tactical, and Elite. This item can be used with or without the jet funnel magwell installed...HKP-00317-M$68.95 -
On Sale
Glock 17, 19 Window Magazine - 9mm - 30-Round
AC-Unity
Now: $13.95Was: $19.95AC-Unity 30-Round Glock 17, 19 9mm Window Magazine The AC-Unity 30 round 9mm window magazine for Glock models 17, 18, 19, 19X, 26, 34, 45. Will work in any firearm that accepts a Glock 17 9mm double-stack magazine. Originally designed...HKP-20157Now: $13.95Was: $19.95 -
Out Of StockOn Sale
HK33, HK53, HK93, HK91, G3 Rear Sight Base Weldment
HKP HK Parts
Now: $23.95Was: $29.95HKP HK Parts Rear Sight Base Weldment for HK G3, HK91, PTR & HK93, 33 & 53, FMP21 New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear...HKP-17386Now: $23.95Was: $29.95