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 VP9SK, VP40SK Backstrap - Small - OD Green
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18971$29.95 -
Out Of Stock
HK VP9, VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium
HKP HK Parts
$59.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - Titanium With Firing Pin Viewing Window Enhanced HK VP9, VP40 Titanium slide plate in natural titanium alloy. The "enhanced" slide plate cover includes the firing pin viewing window. The enhanced slide...HKP-17943$59.95 -
HK MR762 Brass Catcher - Operator Model
TBR Tactical Brass Recovery
$229.95Operator Brass Catcher for HK MR762 Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of motion...HKP-19149$229.95 -
HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
$225.00RCM HK P30 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30...HKP-16221$225.00 -
HK VP9SK Grip Panel Left Side - Large - FDE
H&K Heckler & Koch
$19.95H&K HK VP9SK Grip Panel Left Side - Large - FDE New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18959$19.95 -
HK VP40 Holster - Warrior OWB
Comp-Tac
$74.95 - $79.95Comp-Tac HK VP40 Warrior OWB Holster The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close-fitting footprint can...HKP-18998-M$74.95 - $79.95 -
HK MP5 Parts Kit - SEF Binary Trigger - Pistol Build - Receiver Flat and Weldment Set - 9mm
$1,859.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...HKP-20523$1,859.95 -
On Sale
HK33, HK53, HK93 2-Stage Trigger Group - .223 - Complete
Timney Triggers
Now: $487.95Was: $548.95Timney Trigger Group for .223 - HK93 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...HKP-20512Now: $487.95Was: $548.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...HKP-20404$0.00 -
Out Of Stock
HK USP Full Size Optic Plate - Vortex Razor, C-More STS / STS2 / RTS2 - Red Dot Pistol Mount
Evolution Gun Works
$49.95Evolution Gun Works HK USP Full Size Vortex Razor Mount Included: Mounting hardware Features: Material: 7075 aluminum Coating: matte black hardcoat Overall length: 1.831" Overall width: 1.062" Mounting hardware: (2) 8-32 button head screws, (1)...HKP-20044$49.95 -
HK MP5, HK94 Trigger Group - Flat Trigger - 5 US Made Compliant Parts
USA
$489.95HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger HK MP5/94 9mm Semi Auto Trigger Group Complete. Each Trigger Group incorporates the following 922r-compliant parts: US made sear US made hammer US made flat trigger US made...HKP-19938$489.95 -
Out Of Stock
HK USC, UMP Bolt Carrier - Semi Auto - 9mm - Incomplete
Michaels Machines
$499.95HK UMP 9mm - Semi-Auto Bolt Stripped The semi-auto bolt is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Features: Tungsten filled Heat treated Parkerized & polished Marked 9X19mm just...HKP-19871$499.95