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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M-LOK Rail Section - 5 Slot
Magpul
$18.95Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-19568$18.95 -
HK91, G3, HK33 Flash Hider Retaining Ring
H&K Heckler & Koch
$1.49HK Flash Hider Retaining Ring Brand new HK German manufacture. HK flash hider, muzzle break retaining ring. This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a positive lockup of...HKP-16451$1.49 -
On Sale
HK MP5K, AP5-P Vertical Foregrip - M-LOK- BLEMISHED
MKE
Now: $28.95Was: $44.95HK MP5K, AP5-P Vertical Foregrip M-LOK - BLEMISHED POLYMER BLEMISHES IN THE M-LOK SLOTS. VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED...HKP-22471-BNow: $28.95Was: $44.95 -
HK MP5K Handguard with Handstop - M-LOK Compatible
HKP HK Parts
$39.95MP5K - M-LOK Compatible Forearm with Handstop - USA Each forearm will fit the MP5K style platforms. Dual M-LOK mounting slots allow you to quickly mount lights, lasers, or a pressure switch. As an added bonus this item counts as a US made part toward...HKP-20819-M$39.95 -
HK SEF Style Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. This is the best selector set for the...HKP-20103$69.95 -
HK VP9, Tactical Bench Mat
HKP HK Parts
$13.95HK VP9, VP9 Tactical Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen...HKP-17106$13.95 -
HK91, G3 Ejector Lever
H&K Heckler & Koch
$24.95New H&K .308 Ejector Lever Genuine HK German part. Compatible With: HK G3 HK 91 PTR-91 HK 51HKP-00832$24.95 -
HK MP5, SP5K - Folding Stock Section Only
B&T Brugger & Thomet
$139.95B&T MP5K & MP5 - Folding Stock Section Only Ideal for those moving from the SB Tactical SBT5 or SBT5K side folding brace to NFA/SBR status as these braces already include the B&T side-folding stock adapter backplate. Specifications: Requires...HKP-18246$139.95 -
Out Of Stock
HK MP5K Vertical Foregrip - M-LOK Cantilever Rail
H&K Heckler & Koch
$128.95H&K / Magpul HK MP5K VFG w/Magpul Cantilever M-LOK Rail Factory HK VFG for the MP5K platform adapted by HKP to feature a Magpul M-LOK polymer cantilever rail. The VFG features an M-LOK mounting slot on both sides to allow the mounting of...HKP-20955$128.95 -
HK P30 Series Left Slide Release Shorty
H&K Heckler & Koch
$64.95HK P30 Series Left Slide Release Shorty This is the left side of the frame shorter slide release lever for the HK P30, P30L & P30SK version models. This shorter slide release lever is also the standard lever found on the P30S & P30SK models...HKP-02486$64.95 -
Out Of Stock
Micro Dot Sight - Red and Green - Low Profile
AIM
$59.95Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...HKP-16209$59.95 -
HK P2000, USPC Magazine - 17 Round - .40 S&W
HKP HK Parts / Heckler & Koch
$79.95HKP 17 Round HK P2000/USPC Complete .40 S&W Magazine HK P2000 +5 magazine extension coupled with a new full-size HK P2000 .40 Cal 12 round magazine. Each unit is then fully assembled as a 17 round HK P2000 magazine. Ideal for competitive shooters,...HKP-18642-M$79.95