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 UMP 45 Magazine Spring - .45 ACP - 15 Round - US
HKP HK Parts
$9.95HK UMP .45 15 Round Magazine Spring Perfect for spares and to have on hand as these are consumable item that needs to be replaced from time to time. A must have item if you own a USC/UMP conversion or UMP.HKP-20679$9.95 -
HK MP5 Trigger Group - AR Match
Magpul
$649.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666$649.95 -
HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623$1,099.95 -
HK VP9 Reflex Mini Sight 2.0 and Optic Plate - 8MOA - Glass Lens - Shield Sights
HKP HK Parts / Shield Sights
$429.95Shield Sights Reflex Mini Sight 2.0 and Optic Plate Bundle Includes: Shield Reflex Mini Sight 2.0, 8MOA, glass lens VP9 aluminum optic plate ***All three of our Shield Sight offerings are reflex style red dot sights. They differ in lens material (glass...HKP-20571$429.95 -
Out Of Stock
HK VP Series Curved Trigger Safety Tab Kit
Lazy Wolf
$19.95Lazy Wolf Guns C1 Curved Trigger Tab and Spring Set for the HK VP Series Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab,...HKP-20083$19.95 -
HK SL8 Magwell - Used - Gray
USA
$9.95HK SL8 Magwell - Used - Gray Used Magwell - Gray - SL8HKP-20056$9.95 -
Out Of Stock
P90 Kit - Demilled Parts - 50 Round
FN
$3,149.95FN P90 Demilled Parts Kit Factory FN P90 F/A parts kit comes as pictured with all pieces less the actual receiver included one 50 round magazine. (Non FFL item as this is a parts kit) ** Magazine Capacity Restricted States: You will be...HKP-19639$3,149.95 -
HK VP9B International Holster
Comp-Tac
$79.95Comp-Tac HK VP9B International Holster The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for competition...HKP-19597-M$79.95 -
HK SL8-1 Locking Lever Spring - Elbow
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
HK P2000SK Barrel - .40 S&W - 3.25"
H&K Heckler & Koch
$259.95HK German Factory P2000SK .40 S&W Barrel Brand new HK P2000SK .40 Cal factory cold hammer forged polygonal rifled barrel. This barrel measures 3.25" and is drop-in ready. Compatible With: HK P2000SK .40 S&WHKP-01569$259.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Medium
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18299$17.95 -
HK VP9SK, VP40SK Backstrap - Medium - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Medium - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18582$29.95