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
HK UMP .45 Conversion Kit
Now: $934.95Was: $1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623Now: $934.95Was: $1,099.95 -
On Sale
HK VP9 Reflex Mini Sight 2.0 and Optic Plate - 8MOA - Glass Lens - Shield Sights
HKP HK Parts / Shield Sights
Now: $343.95Was: $429.95Shield Sights Reflex Mini Sight 2.0 and Optic Plate Bundle Includes: Shield Reflex Mini Sight 2.0, 8MOA, glass lens VP9 aluminum optic plate ***All three of our Shield Sight offerings are reflex style red dot sights. They differ in lens material (glass...HKP-20571Now: $343.95Was: $429.95 -
Out Of Stock
HK VP Series F2 Trigger - Flat Face - Safety Tab Kit - Red
Lazy Wolf
$19.95F2 Flat Face VP Series Red Trigger Tab and Spring Set from Lazy Wolf Guns Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and...HKP-20092$19.95 -
HK45C, P30 Holster - Infidel Max - LH
Comp-Tac
$69.95Infidel Max Holster - Left Hand - HK P30, HK45 Compact All-Kydex inside-the-waistband (IWB) holster designed for HK P30 and HK45C pistols. This left-hand configuration features adjustable cant settings, allowing reverse cant, speed cant, or FBI forward...HKP-19332$69.95 -
HK VP9, VP40 Grip Panel Left Side - Medium - OD Green
H&K Heckler & Koch
$19.95H&K VP9, VP40 Left Side Grip Panel - Medium - OD Green New HK German manufactured. This grip is designed for the left side and comes in a medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible...HKP-19175$19.95 -
HK SL8-1 Locking Lever Spring - Elbow
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Medium
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18299$17.95 -
Out Of Stock
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 -
On Sale
HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
Now: $190.95Was: $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-16221Now: $190.95Was: $225.00 -
On Sale
HK VP9SK Compensator - Quick Detach - Brass
HKP HK Parts
Now: $119.95Was: $249.99HK VP9SK - Quick Detach Comp Weight™ / Compensator - Brass LIMITED EDITION! ONLY A SMALL NUMBER AVAILABLE The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your...HKP-18186Now: $119.95Was: $249.99 -
On Sale
HK VP40 Holster - Warrior OWB
Comp-Tac
$66.95 - $71.95Comp-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$66.95 - $71.95 -
On Sale
HK MP5 2-Stage Trigger Group, Complete - .40 S&W, 10mm
Timney Triggers
Now: $382.95Was: $478.95Timney Trigger group for HK MP5 .40 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-20514Now: $382.95Was: $478.95