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 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 MP5, SP5, MP5K, SP5K Magazine - 10 Round - 9mm - California Compliant - KCI
KCI
$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-20669$58.95 -
HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish Contract
Other
$44.95Turkish Contract 30 Round MP5 Magazine - NEW These newly imported 30-round, 9mm, steel magazines were manufactured by a Turkish contractor for military use. These high-quality magazines are similar to MKE but are not MKE magazines. These 30 round MP5...HKP-22274$44.95 -
HK MP5 Magazine - 30 Round - .40 S&W, 10mm - US
HKP HK Parts
$49.95HKP HK Parts 30 Round Magazine, US Made for HK MP5 40/10 HKP, US made 30 round magazine for MP5's chambered in .40 S&W, 10mm, .357 Sig, and 9x25 Dillon. Each magazine counts as 3 US made components for satisfying 922r compliance. Compatible...HKP-16456$49.95 -
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 used with or without the jet funnel magwell installed...HKP-00317-M$68.95 -
HK MP5SD Barrel Shroud - Enhanced
HKP HK Parts
$129.95HKP MP5SD weldable suppressor shroud for HK MP5 SD builds The HKP SD shroud is fully de-burred with the handguard attachment lugs being machined in from the outset, not welded, which is commonly found in aftermarket-style shrouds. Specifications: Made...HKP-15701$129.95 -
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 Stock
HK MP5 Bolt Carrier - Full Auto - 9mm
RCM
$146.95MP5 9mm Full Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. They were machined completely from billet ordnance grade steel...HKP-01188$146.95 -
Out Of Stock
HK MP7 Magazine - 4.6x30mm - 30 Round
H&K Heckler & Koch
$81.95MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6x30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of capacity.HKP-02455$81.95 -
HK UMP .45 ACP 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel feed lips, and robust polymer construction. Each mag...HKP-17585-M$49.95 -
HK33, HK53, HK93, HK91, G3 Rear Sight Base Weldment
HKP HK Parts
$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-17386$29.95 -
HK91, G3 Weldment Set Complete
HKP HK Parts
$99.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...HKP-17509$99.95