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 Screw Set for HKP Rail Mount Compensator
HKP HK Parts
$4.95Replacement Screws for Rail Mount Compensator Replacement screw set for the HK Parts Rail Mount Compensators. This includes (2) screws. Compatible With: All HK Parts Rail Mount CompensatorsHKP-19674$4.95 -
Out Of Stock
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
$9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...HKP-01026$9.95 -
HK P2000SK Magazine - 10 Round - 9mm
H&K Heckler & Koch
$58.95HK P2000 SK 9mm - 10 Round Magazine With Finger Rest HK German manufacture and factory-fresh production. Each factory HK all-steel-bodied magazine holds 10 rounds of 9mm ammunition. Compatible With: HK P2000SKHKP-00308-M$58.95 -
HK MP5K, SP5K, SP89 Stock or Brace Adapter with Picatinny Rail
JMAC Customs
$94.95JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...HKP-18990$94.95 -
HK VP9 Tactical Barrel - 9mm - 4.7" - Threaded 13.5x1 LH
H&K Heckler & Koch
$274.95H&K VP9 9mm Tactical Barrel - Threaded 13.5x1 LH Precision-made in Germany by HK from cold hammer forged (CHF) ordnance-grade steel, this is the finest threaded factory barrel available for the HK VP9 or VP9 Tactical pistol. Ideal as a spare or...HKP-17995$274.95 -
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...HKP-21338$32.95 -
On Sale
Ergo Rail Cover
Ergo
Now: $4.95Was: $8.95Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers low-profile 1913 Picatinny rail coverage Easy clip-on/off installation Provides a very low-profile grip Protects the...HKP-13514Now: $4.95Was: $8.95 -
HK21, FMP21 T-Rail Set
HKP HK Parts
$119.95HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations. Compatible With: HK21 FMP21HKP-21457$119.95 -
HK MP5 HK93, HK33 SEF Navy Style Polymer Housing - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K MP5 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - LIKE NEW Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK firearm. Specifications: Push Pin Made In Germany SEF Pictogram...HKP-19892$99.95 -
HK German Vertical Foregrip - Picatinny
H&K Heckler & Koch
$57.99HK German Vertical Grip Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in the grip and requires no tools for installation. It...HKP-00034$57.99 -
HK VP9, VP9SK, VP40 Disassembly Safety Spring
H&K Heckler & Koch
$2.95Elbow Spring For Dismounting Safety HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16791$2.95 -
HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate
H&K Heckler & Koch
$5.959mm Magazine Locking Plate New HK German factory part. This is the locking plate for the bottom of the magazine spring. Compatible With: VP9 15 Round VP40 13 Round VP9SK 15 Round VP9SK 13 Round P30 15 Round P30 .40 13 Round USP Compact 9mm 13 Round USP...HKP-01585$5.95