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 Binary Selector Set - Ambi Housing
HKP HK Parts
$79.95Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work flawlessly with Franklin Armory Trigger Pack...HKP-19816$79.95 -
On Sale
GSG5, SIG Magazine Spring - Kimber - 1911 .22LR conversions
GSG German Sports Guns
Now: $1.99Was: $3.95GSG/Sig Sauer/Kimber Magazine Spring German-made spare magazine spring for your 10-round 1911 magazine. Compatible With: GSG5 1911 SIG Kimber & many other guns that use this style of magazine for the 1911 .22 conversions.HKP-02795Now: $1.99Was: $3.95 -
Out Of Stock
HK416, MR556 Rear Diopter Sight Assembly - 10.5"
H&K Heckler & Koch
$188.95H&K HK MR556/416 10.5" Rear Diopter Sight Assembly This is the proper rear sight for use on all HK 416 10.5 uppers and firearms. This is also a great sight alternative for those who need a lower sight setup for the AR, XCR, etc. To be used in...HKP-01109$188.95 -
HK SP5 and SP5K Spec. Clipping and Pinning Service for Polymer Lower Housings
HKP HK Parts
$99.95HK Clipped and Pinned Service - For Polymer Grip Frames to SP5 SPEC At HK Parts we offer our own HK trigger housing clip and pin services. No one does a better job with quicker turn around then we do. We will clip and pin any "push pin" plastic housing...HKP-19989$99.95 -
HK VP9 Magazine Floorplate - 17 Round - Rubberized
H&K Heckler & Koch
$8.95Rubberized Floor Plate - 17 Round Magazine - HK VP9 HK German rubberized factory floor plate. This was made to be used specifically for the New VP9 17 Round Magazine.HKP-19321$8.95 -
HK P7 Series Drop Safety Catch Spring
H&K Heckler & Koch
$9.95HK P7 Drop Safety Catch Spring This is one of the most common wear items on the P7 series of firearms—a must-have spare part and hard to find. Compatible With: PSP P7M8 P7M13 P7M10HKP-01353$9.95 -
HK VP9SK, P30SK Magazine with Finger Rest - 12 Round - 9mm
HKP HK Parts / Heckler & Koch
$69.95HK VP9SK & P30SK 9mm - 12 Round Magazine With Finger Rest This magazine has the same footprint, size, and overall length as the factory 10-round mag with pinky rest. Only, this offering gives you an extra two rounds with the pinky rest extension. A...HKP-21078-M$69.95 -
HK UMP, USC Buttstock Axle Pin
H&K Heckler & Koch
$30.95HK German UMP Rear Stock Axle Pin This is the HK factory German stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...HKP-00604$30.95 -
Kershaw Cryo II 3 3/8" Knife
Kershaw
$78.95Kershaw Cryo II 3 3/8" Knife The award-winning Cryo is also available in a 20% larger size. Designed by Rick Hinderer, the Cryo II has a bigger 3.25-inch, assisted opening blade. This larger sized Cryo II was built for those who simply demand more from...HKP-20338$78.95 -
HK P2000, P2000SK Bench Mat
HKP HK Parts
$13.95HKP HK P2000/P2000SK Bench Mat Perfect for all HK P2000, P2000SK 9mm, .40, .357 Sig Models This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to...HKP-17450$13.95 -
Out Of Stock
HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad
Michaels Machines
$229.95US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...HKP-01144$229.95 -
Out Of StockOn Sale
HK MP5, AP5 Optic Mount - Picatinny
MKE
Now: $39.95Was: $49.95MKE HK MP5, AP5 OEM Picatinny Optic Rail MKE Picatinny optic rail for the MP5 platform. OEM part for the Century AP5. Compatible With: HK MP5/SP5 Century Arms AP5 In-spec. clones and custom buildsHKP-22335Now: $39.95Was: $49.95