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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On Sale
HK45, P30 Holster - Warrior - RH
Comp-Tac
Now: $66.95Was: $74.95HK P30, P30L, HK45, HK45C Warrior Holster / Stealth Footprint OWB Holster for Concealed Carry or Competition The Warrior Holster is Brand New, released January of 2018. The Warrior Holster design offers a stealth footprint, outside the waist band carry...HKP-17455Now: $66.95Was: $74.95 -
HK P30 Series Grip Shell - Left - Large
H&K Heckler & Koch
$19.95HK P30 Series Left Grip Shell - Large - BlackHKP-01575$19.95 -
HK45, HK45 Compact, P2000, P2000SK Right Slide Release Lever
H&K Heckler & Koch
$49.95Right Slide Release Lever Compatible With: HK P2000 HK P2000SK HK45 HK45 CompactHKP-01619$49.95 -
HK P30, P2000 Release Latch & Decocker
H&K Heckler & Koch
$32.95HK P30 & P2000 Release Latch & Decocker Compatible With: HK P30 HK P30L HK P2000 HK P2000SKHKP-01773$32.95 -
HK MR556, MR762 Rail Segment - 5 slot
H&K Heckler & Koch
$39.95HK MR556 & MR762 Rail Segment - MRS 5 slot Rail ASM New Factory HK 5 slot rail segment for the MRS style HKey mod rail forearms. ***Not compatible with the Euro spec HKey "Small", this is for the Modular Rail System "Large type" HKey spec, which is...HKP-17510$39.95 -
HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Alpine Green - Surplus
H&K Heckler & Koch
$129.95HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's...HKP-18934$129.95 -
Out Of Stock
HK33, HK93 Tri-Rail Handguard
B&T Brugger & Thomet
$369.95B&T Handguard 3x NAR for HK 93, 33 with Detachable Side Rails Specifications: Color: Black Height max: 48.8 mm Length max: 243.5 mm Length of right rail: 97 mm Length of left rail: 97 mm Length of bottom rail: 243.5 mm Material:...HKP-16868$369.95 -
HK MP5 Field Cleaning Kit - .40 S&W, 10mm
HKP HK Parts / Heckler & Koch
$79.95HKP HK Parts and Heckler and Koch Field Cleaning Kit for HK MP5 40,10 This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section...HKP-00340$79.95 -
On Sale
HK Single Point Sling - ACU Digital Camo
HKP HK Parts
Now: $23.95Was: $29.95HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...HKP-15041Now: $23.95Was: $29.95 -
HK416, MR556 Buffer Tube - Enhanced - Commercial
H&K Heckler & Koch
$249.95HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...HKP-15424$249.95 -
HK416 A5 Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$95.95HK Heckler and Koch German Flash Hider threaded 1/2x28 for HK416 5.56 / .223 This flash hider is not compatible with suppressors. Compatible With: HK416 A5- 11" HK416 A5- 14.5" HK416 A5 - 16.5" HK416 A5- 20"HKP-18521$95.95 -
HK MP5K, SP5K, SP89 Lower - ARC
AS Designs
$649.95AS Designs ARC Lower for HK MP5K, SP5K, SP89 The ASD ARC Lower allows for faster follow-up shots by resetting after each shot. This is a true drop-in trigger and housing assembly featuring SEMI, ARC, and SAFE selections. Installation is easy; simply...HKP-22546-M$649.95