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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On Sale
HK33, HK53, HK93, HK91, G3 Rear Sight Base Weldment
HKP HK Parts
Now: $23.96Was: $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...HKP-17386Now: $23.96Was: $29.95 -
On Sale
HK MP5, HK90 Series Push Pin Spring
Now: $1.56Was: $1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement...HKP-20368Now: $1.56Was: $1.95 -
HK MP5, MP5K Optic Mount - Raised - Picatinny - US
HKP HK Parts
$109.95HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K. Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights...HKP-21489$109.95 -
Out Of Stock
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...HKP-00317-M$68.95 -
On Sale
Glock 17, 19 Window Magazine - 9mm - 30-Round
AC-Unity
Now: $10.46Was: $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...HKP-20157Now: $10.46Was: $19.95 -
On Sale
HK VP9, P30 Magazine, Complete - 20 Round - 9mm
HKP HK Parts
$50.97 - $79.95HKP HK Parts Complete 9mm 20 Round Magazine for HK VP9 and HK P30 Each mag comes fully assembled and ready for use. HK Parts takes an existing 15-round magazine and the +5 mag extension and...HKP-21093-M$50.97 - $79.95 -
HKP 9mm Micro Comp - Threaded 13.5x1 LH
HKP HK Parts
$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...HKP-19849$29.95 -
HK UMP, USC Rail Section - Hardware Included
UTG
$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...HKP-00598$24.95 -
Out Of Stock
HK416A5, MR556 A4 Bolt Catch, Release - Enhanced - Ambi
H&K Heckler & Koch
$64.95HK German Enhanced Ambidextrous HK416 A5 Bolt Release Factory HK ambidextrous magazine paddle catch/release. Compatible With: HK416A5 HK MR556HKP-19463$64.95 -
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm, .40 S&W
H&K Heckler & Koch
$9.95Heckler and Koch 9mm and .40 S&W Magazine Follower for HK VP, HK P30, HK USPC, and HK P2000 This is a great replacement item and one that is good to have on hand for spares as they wear with use...HKP-02367-M$9.95 -
Out Of Stock
HK MP5, MP5K Extractor - 9mm - US
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...HKP-20959$29.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote - Heckler and Koch
H&K Heckler & Koch
$85.95 - $95.95Heckler and Koch MP5, SP5, SP5K, MP5K 9mm 30 Round Curved Magazine Factory fresh Heckler and Koch 30 round, curved 9mm. When only the best will do. Each magazine starts life as a brand-new,...HKP-19979-M$85.95 - $95.95