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
HK UMP Cocking Handle - Assembly
OMEGA
Now: $28.95Was: $34.95Omega USC/UMP Cocking Handle Assembly Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...HKP-21271Now: $28.95Was: $34.95 -
On Sale
HK P30 Railok™ Threaded Barrel Compensator
HKP HK Parts
Now: $129.95Was: $189.95HK Parts Railok™ Mounting System Compensator for Threaded Barrel: H&K P30 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in...HKP-21225Now: $129.95Was: $189.95 -
HK P7M13 13 Round Magazine - Excellent Condition - Rare
H&K Heckler & Koch
$467.95H&K HK P7M13 13-Round Magazine - Excellent/Like New Highly coveted 13-round 9mm P7M13 magazines with the sought-after LEO markings. Despite showing some signs of wear, these magazines are in perfect functional condition. Limited quantity available-...HKP-21043$467.95 -
HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
$749.95H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...HKP-17237$749.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
Now: $34.95Was: $43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830Now: $34.95Was: $43.95 -
On Sale
HK45C, P30 International Holster - RH
Comp-Tac
Now: $67.95Was: $84.95Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for...HKP-19585Now: $67.95Was: $84.95 -
On Sale
B&T TP9, MP9, APC Magazine - 9mm - 15 Round - Translucent
B&T Brugger & Thomet
Now: $44.95Was: $50.00B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent Swiss B&T manufactured 15 round magazine for the 9mm TP9, MP9 & APC. Specifications: 15-round capacity 9mm Made of high strength polymer Compatible With: B&T...HKP-17437Now: $44.95Was: $50.00 -
On Sale
HK USP Holster - CT2H - 9mm, .40 S&W - RH
Comp-Tac
Now: $116.95Was: $129.95CT2H Holster - Right Hand - USP Full Size / Tactical Slide 9mm, .40 The CT2-H is a level 2 holster that uses friction retention and a thumb release hood to prevent unintentional removal of your handgun. The intuitive release mechanism makes this one of...HKP-20296Now: $116.95Was: $129.95 -
On Sale
Omega K Mach 3-Lug Mount - .45 ACP
Kaw Valley Precision
Now: $80.95Was: $89.99Kaw Valley Precision .45 Mach 3-Lug Mount Fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common silencer models such as the SilencerCo...HKP-19994Now: $80.95Was: $89.99 -
On Sale
HK G36, G36K Gas Block - US
USA
Now: $67.95Was: $79.95Gas Block - US Made - HK G36E, G36KHKP-19915Now: $67.95Was: $79.95 -
Out Of Stock
B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm
F5 MFG
$168.95F5 MFG 50 Round 9mm Drum Magazine for B&T APC9 and B&T GHM9 The only one of its kind, Brugger & Thomet APC9 and GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive...HKP-18577$168.95 -
Out Of Stock
HK P2000 Barrel - .357 SIG
H&K Heckler & Koch
$329.95HK P2000 .357 Barrel This is a great spare or replacement barrel to have on hand. This is a popular barrel to convert the P2000 .40 to .357.HKP-01419$329.95