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
HK USPC Barrel - .45 ACP - 4.47" - Threaded .578x28 RH
RCM
$250.00RCM HK USPC .45 ACP Barrel - Threaded .578x28 RHHKP-17448$250.00 -
On Sale
HK USPC Holster - Paddle - SIGTAC - RH
ITAC Defense
Now: $14.96Was: $39.95ITAC Defense HK USPC SIGTAC RH Paddle Holster Made of durable, high-tech black polymer. These right-handed holsters use a unique patented retention system with a zero time to disengage feature...HKP-01972Now: $14.96Was: $39.95 -
HK P2000, USP Compact Firing Pin - New Style
H&K Heckler & Koch
$74.95HK P2000/USPC New Style Firing Pin Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIGHKP-01563$74.95 -
HK UMP, USC Firing Pin Spring
H&K Heckler & Koch
$5.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts...HKP-00262$5.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Steel - USED
Rheinmetall
Now: $18.71Was: $34.95Rheinmetall HK91, G3, PTR Magazine - 20 Round - Steel - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING <HKP-22495-USEDNow: $18.71Was: $34.95 -
Out Of Stock
HK CC9 IWB Clip - Minimalist
HKP HK Parts
$59.95HKP HK CC9 IWB Clip - Minimalist The HKP HK CC9 IWB clip offers a minimalist solution for absolute concealment. When a holster creates undesired printing, our IWB eliminates the bulk to keep the...HKP-22095$59.95 -
HK91, G3, PTR PDW Stock Adapter - AR-15 Style
AIM
$54.99HK91, G3, PTR PDW Stock Adapter - AR-15 Style The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of...HKP-20891$54.99 -
On Sale
HK G36, UMP Pistol Grip Storage Insert
USA
Now: $11.87Was: $16.95HK UMP, G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a...HKP-20176Now: $11.87Was: $16.95 -
HK SL8, G36 Magazine Release Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Release Spring for HK G36 and HK SL8 A must have spare part. Compatible With: G36 SL8<HKP-16344$9.95 -
On Sale
PTR Chevron Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
Now: $51.30Was: $56.99Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight delivers a fast, bold sight picture with a sharp, precision aiming point. Designed for easy...HKP-20451Now: $51.30Was: $56.99 -
Out Of Stock
HK G3, HK33, HK93 Bayonet with Scabbard - Surplus
H&K Heckler & Koch
$106.95HK Heckler and Koch Bayonet with Scabbard - Surplus for HK G3, HK33, HK93 Genuine German HK military surplus bayonet in used, good condition. These are the 12-groove version of the popular military...HKP-19691$106.95 -
Out Of Stock
HK VP9 Rubber Extractor Plug
H&K Heckler & Koch
$4.95HK VP9 Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.HKP-01849$4.95