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 Pistol Trigger Axle
H&K Heckler & Koch
$9.95HK Pistol Trigger Axle Compatible With: HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK P30 HK P30L HK P30SK HK P2000 HK P2000SK HK45 HK45 CompactHKP-01806$9.95 -
HK416, MR556, MR762 Extractor Spring Buffer
H&K Heckler & Koch
$14.95H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762HKP-00051$14.95 -
Out Of Stock
MP5, MP5K Soft Gun Case - 29"
H&K Heckler & Koch
$139.95HK Factory 29" MP5/SP5 Soft Tactical Case with HK Logo Compatible With: HK MP5/SP5 HK MP5K/SP5K Similar size firearmsHKP-17428$139.95 -
3 Point Sling Holding Clip - Replacement
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
HK CC9 IWB Clip - Minimalist
HKP HK Parts
$59.95HKP HK CC9 IWB Clip - Minimalist The HKP HK CC9 IWB clip offers a minimalist solution for absolute concealment. When a holster creates undesired printing, our IWB eliminates the bulk to keep the pistol safe from discovery. Our IWB clip fits snug...HKP-22095$59.95 -
HK VP9, P30 Enhanced Magazine Extension Kit +5
HKP HK Parts
$64.95Magazine Extension Kit +5 - HK VP9, HK P30 Latest and greatest VP9/P30 Enhanced magazine extension. Our new design was made to give our current magazine extension a more aggressive look and a overall better functionality. With the added features all...HKP-21404-M$64.95 -
Out Of Stock
Arm Bar and Stock or Brace Adapter - Picatinny 9"
JMAC Customs
$272.85JMAC Universal Picatinny 9" Arm Bar with Brace/Stock Adapter (A)rm(B)ar(9)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many mounting options Integrated QD Sling Socket 9"...HKP-21248$272.85 -
HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil
Zenith
$43.95Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...HKP-20915$43.95 -
HK P30SK Holster - DCH Comp Carry
Comp-Tac
$79.95Comp-Tac HK P30SK DCH Comp Carry Holster Comp-Tac P30SK comp carry DCH (Dual Concealment) holster. This holster is compatible with our Rail Mount Compensators and Match Weights. The best holster for that offers IWB or OWB option Features: Offers IWB and...HKP-20587-M$79.95 -
HK UMP, G36 3 Position Selector - Right
HKP HK Parts
$8.95HKP HK UMP, G36 3 Position Selector - Right HK UMP & G36 right safety selector lever for all 3 position HK UMP & G36 lowers only.HKP-20179$8.95 -
HK SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$149.95H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED Hand-selected for the highest quality, these "like new" H&K SP5K SEF style trigger housings have been meticulously clipped and pinned to fit the correct SP5K style shelf...HKP-20064$149.95