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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Out Of Stock
HK MP5K, SP5K Telescopic Brace
B&T Brugger & Thomet
$650.00B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaceable elastomer rubber buffer Just add your favorite tailhook style device and you are good...HKP-19861$650.00 -
On Sale
UZI Magazine Spring - .22LR - 20 Round
Walther
Now: $1.95Was: $3.95Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh...HKP-15592Now: $1.95Was: $3.95 -
HK VP40, P30 Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$54.95HK VP40, P30, P30S & P30L .40 S&W - 10 Round magazine New HK German manufacture. It is a CA, NY, compliant magazine because it holds 10 rounds. Hard to find in this configuration. Compatible With: HK VP40 HK P30/P30L .40 S&WHKP-01739-M$54.95 -
Out Of Stock
HK P30, HK45, USP Firing Pin Block - New Style
H&K Heckler & Koch
$16.95H&K USP/P30/HK45 New Style Firing Pin Block A factory Heckler and Koch part. Compatible With: HK USP 45, 40 & 9mm HK USP Tactical, Elite, Expert HK USP Compact 9mm, .40 & .45 HK USPC Tactical 9mm, .40 & .45 HK P30, P30L, P30S &...HKP-01285$16.95 -
HK91, G3 Cocking Handle - Green Rubberized - Surplus
H&K Heckler & Koch
$8.95HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...HKP-17082$8.95 -
HK P30L Compensator - MOD 1 - XL
HKP HK Parts
$179.95HK Parts MOD 1 XL Compensator - HK P30L The MOD 1 XL comp delivers the iconic look of our original rail mount comp, but in our updated MOD 1 structure. Like all MOD 1 comps, the P30L XL adds the versatility of an interchangeable Picatinny rail or a...HKP-22099$179.95 -
HK MP5 Folding Brace - .22LR - Billet Adapter
HKP HK Parts / SB Tactical
$224.95SB Tactical Side Folding Brace with Billet Adapter for the HK MP5 .22 model: This is not your standard SB Tactical side folding brace. We pair the standard SBT brace with our own billet aluminum brace adapter to give you a more robust option over...HKP-19951$224.95 -
HK VP9SK, P30SK Magazine Pinky Rest
HKP HK Parts
$22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...HKP-17853-M$22.95 -
HK Rear Sight Bearing
H&K Heckler & Koch
$1.99H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.HKP-00145$1.99 -
HK VP9, P30, HK45 Optic Plate - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
HKP HK Parts
$49.95Trijicon RMR Pistol Mount RMR mounting plate to allow the use of the following: Trijicon RMR & SRO models Holosun HE407C / HE407C X2 / HE507C / HE507C X2 / HS407C / HS407C X2 / HS507C / HS507C X2, 508T Swampfox Kingslayer / Liberty /...HKP-18503$49.95 -
HK416, MR556, MR762 Buffer Retainer Pin
H&K Heckler & Koch
$3.95Heckler and Koch HK416, HK MR556, HK MR762 Buffer Retainer Pin Compatible With: HK416, MR556 HK MR762HKP-12704$3.95 -
HK91, G3, HK33, HK93 Bayonet Adapter - Complete - Turkish Contract
Other
$38.95Turkish Contract Complete Bayonet Adapter for HK91, HK G3, HK33, HK93 Complete Turkish contract 90 Series-style steel bayonet adapter supplied with the required mounting hardware. Designed for proper fit on HK33, HK93, HK91, and G3 pattern rifles...HKP-22517$38.95