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 MP5K Vertical Foregrip - M-LOK 3 Slot Rail
H&K Heckler & Koch
$128.95H&K / Magpul HK MP5K VFG w/Magpul 3 Slot M-LOK Rail New German HK VFG for the MP5K platform is now M-LOK compatible and comes pre attached with a Magpul M-LOK 3 slot Rail. The perfect combination to install lights or lasers. M-LOK slots are...HKP-20956$128.95 -
On Sale
HK VP9 Gen 1 V2 Rail Mount Compensator
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9 Gen 1 V2 Rail Mount Compensator *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length: 4 1/4 inches Height: 2 1/2...HKP-19370Now: $99.95Was: $169.95 -
On Sale
Glock 17, 19 Window Magazine - 9mm - 30-Round
AC-Unity
Now: $13.95Was: $19.95AC-Unity 30-Round Glock 17, 19 9mm Window Magazine The AC-Unity 30 round 9mm window magazine for Glock models 17, 18, 19, 19X, 26, 34, 45. Will work in anything designed to accept a Glock 17 9mm double-stack magazine. Originally...HKP-20157Now: $13.95Was: $19.95 -
HK USP Magazine - .40 S&W - 16 Round - Translucent
H&K Heckler & Koch
$50.00HK German USP .40 cal Jet funnel Magazine The 16-round magazine will fit all HK USP .40 full-size pistols, as well as the HK .40 Expert and Elite. This item can be used with or without the jet funnel magazine. Please Note: For the mag to fit flush with...HKP-00301-M$50.00 -
Out Of Stock
HK G36 Magazine - 30 Round
Magpul
$27.95Magpul 30 Round HK G36 5.56/.223 Magazine The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36 magazines...HKP-01740$27.95 -
On Sale
HK91, G3, AP51 Magazine - 20 Round - Translucent
MKE
Now: $20.76Was: $25.95MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...HKP-21898Now: $20.76Was: $25.95 -
HK MP5SD Front Sight Tower with Cocking Tube End Cap
HKP HK Parts
$69.95HKP MP5SD Front Sight Tower With Cocking Tube End Cap MP5SD Front Sight Assembly Complete - USA MP5SD fashioned front sight tower with cocking tube end cap machined as one solid billeted piece. Never before offered and the finest MP5SD front sight...HKP-17834$69.95 -
HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen
H&K Heckler & Koch
$14.95HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...HKP-00069$14.95 -
Receiver Shelf - Semi Auto - Billeted
$19.95Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
HKP .45 ACP Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded 16x1 LH The HK Parts Micro Comp & Thread Protector combines a lightweight design with dual functionality as both a compensator and thread protector. It easily attaches to any factory spec 16x1 LH .45 ACP barrel,...HKP-20210$29.95 -
Out Of Stock
HK VP9 Micro Comp - Vented - Threaded 13.5x1 - Left Hand
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp & Thread Protector is designed to be lightweight and functional both as a compensator and thread protector. This light weight micro comp can easily attache to the end of any...HKP-19720$29.95 -
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99