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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SB Tactical SBM4 Pistol Stabilizing Brace
SB Tactical
$74.99SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes: Pistol stabilizing brace Adjustable nylon stabilizing...HKP-17903$74.99 -
HK VP9, VP40 Hybrid Trigger - Adjustable
Grayguns
$125.00HK VP9, VP40 Adjustable Hybrid Trigger The Adjustable Hybrid Trigger for the HK VP9 and VP40 Series fits the standard variants. The trigger features an over-travel adjustment while providing a 90-degree optimal trigger break. This...HKP-22343$125.00 -
On Sale
HK MP5, 90 Series Holder Plate for Locking Rollers
MKE
Now: $24.95Was: $29.95MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...HKP-22235Now: $24.95Was: $29.95 -
HK MP5 Handguard Conversion - SD Style - MLOK
HKP HK Parts
$324.95HKP HK MP5 SD Handguard Conversion - M-LOK Transform your standard MP5 into the classic SD-style with the HKP MP5 SD handguard conversion. This drop-in handguard is designed solely for aesthetics, providing your MP5 with the distinctive suppressed SD...HKP-22200$324.95 -
HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH
HKP HK Parts
$29.95HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory spec...HKP-22084$29.95 -
HK VP9SK, P30SK Magazine Floorplate Extension - Locking
H&K Heckler & Koch
$23.00H&K VP9SK/P30SK Magazine Extension Locking Floorplate Secures the extension to the magazine body on P30SK and VP9SK magazine extensions. Compatible With: HK VP9SK/P30SKHKP-21993$23.00 -
HK417, MR762 Takedown Pin - Front - A4 Style
H&K Heckler & Koch
$43.99H&K MR762 A4 Receiver Front Takedown Pin German-made factory pivot pin for the MR762 A4. Will work with A1 models as well. Compatible With: HK MR762 A1 and A4 HK417HKP-21958$43.99 -
On Sale
Cartridge Pouch - Universal - Velcro Mount
B&T Brugger & Thomet
Now: $12.95Was: $24.95B&T Cartridge Pouch The B&T Cartridge Pouch is a high-quality, tactical ammunition storage solution designed for professionals and enthusiasts alike. Crafted from rugged, weather-resistant materials, this pouch ensures your cartridges remain...HKP-21884Now: $12.95Was: $24.95 -
Out Of Stock
B&T Pistol Extractor Kit
B&T Brugger & Thomet
$55.00B&T Extractor Kit for B&T Pistol Caliber Firearms Factory B&T extractor kit for B&T pistol caliber firearms. This kit includes ciritical spare extractor components to keep your B&T running at the range or in the field...HKP-21741$55.00 -
Out Of Stock
HK USP M.R.A Red Dot Adapter
Outer Impact
$59.95Outer Impact HK USP M.R.A Red Dot Adapter The Outer Impact USP red dot adapter opens up a variety of sight options for the USP platform. Precision-machined from 7075 aircraft aluminum. Compatible With: USP Compatible Red Dot Sights (Mounting Screws...HKP-21624$59.95 -
On Sale
HK MP7 Dual Magazine Clamp
HKP HK Parts
Now: $39.96Was: $49.95HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world. The clamp works with any capacity MP7 magazine. Compatible With: HK MP7HKP-21597-MNow: $39.96Was: $49.95 -
Out Of Stock
HK MP5 to MP5SD Front End Conversion Kit
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...HKP-21318$1,299.95