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 P7 Series Recoil Spring
H&K Heckler & Koch
$19.95Factory German HK P7 Recoil Spring This is a hard-to-find replacement part for the P7 series. This is a new HK German replacement or spare recoil spring. Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13HKP-01077$19.95 -
On Sale
HK USP Optic Plate - Burris FastFire - Red Dot Pistol Mount
HKP HK Parts
Now: $39.95Was: $49.95HKP HK USP Red Dot Pistol Mount Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Compatible With: HK Full Size - USP 9mm HK Full Size - USP .40 HK Full Size - USP .45 (Not...HKP-18898Now: $39.95Was: $49.95 -
On Sale
HK Receiver Flat Bending Jig Set - Billet Steel
HKP HK Parts
Now: $479.95Was: $599.95Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel All steel billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...HKP-19595Now: $479.95Was: $599.95 -
On Sale
HK Mark 23, SOCOM Bench Mat
HKP HK Parts
Now: $10.95Was: $13.95HKP HK Mark 23, SOCOM Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK Mark 23 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen table,...HKP-17278Now: $10.95Was: $13.95 -
HK Handguard Sling Pin - Ambi - Small
H&K Heckler & Koch
$61.95HK German Ambidextrous Small Sling Pin For Forearm This ambidextrous pin will allow the user to attach a sling hook to the sling pin. This will also allow the user to use the sling on either the left or right side.HKP-00077$61.95 -
HK P2000, USPC Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$54.99 - $59.95H&K 10 Round HK P2000/USPC .40 S&W Magazine Factory HK German 10 Round magazine. Compatible With: HK USP Compact .40 S&W HK P2000 .40 S&W HK P2000 SK (will fit below the bottom of the magwell)HKP-00311-M$54.99 - $59.95 -
HK MP5 Magazine - 30 Round - .40 S&W, 10mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch New HK German 30 Round Magazine HK MP5 40,10 Factory German MP5 40,10 magazine will fit all of the HK MP5 40,10 rifles and pistols, including the Vector, Coharie, and other custom builds and clones. Hard to find and the...HKP-00430$199.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Molykote®
Other
Now: $32.95Was: $36.95Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces. It not only works well, but this robust finish also looks good too. Available...HKP-22479Now: $32.95Was: $36.95 -
On Sale
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3 - USA
HKP HK Parts
Now: $6.95Was: $8.95HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically...HKP-17933Now: $6.95Was: $8.95 -
On Sale
HK91, G3, PTR Armorer's Manual
HKP HK Parts
Now: $15.95Was: $19.95HK 91, G3, & PTR Armorer's Manual This manual is the best manual available for the HK .308 G3, 91, or PTR family of firearms. See the photos for the table of contents.HKP-02635Now: $15.95Was: $19.95 -
HK VP9 Long Slide - Optics Ready - Complete
H&K Heckler & Koch
$489.95H&K HK VP9 Long Slide Optics Ready Complete Slide Kit New HK German VP9LOR slide kit to upgrade any existing VP9 model to the VP9L OR. This kit is a drop on replacement that come with everything you need to swap your existing slide to the this...HKP-19836$489.95 -
On Sale
HK VP9, P30, HK45 Optic Plate - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
Evolution Gun Works
Now: $41.95Was: $49.95Evolution Gun Works HK VP9/P30/HK45/HK45C Leupold DeltaPoint Pro& Eotech EFLX Sight Mount Mounting Hardware is Included Features: Material: 7075 aluminum Coating: matte black hardcoat Overall length: 1.604" Overall width: .99" Mounting...HKP-20045Now: $41.95Was: $49.95