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 MP5 Magazine Spring - .40 S&W, 10mm - 30 Round
HKP HK Parts
Now: $3.95Was: $4.95HKP MP5 40/10 30 Round Magazine SpringHKP-16509Now: $3.95Was: $4.95 -
HK MP5, SP89, HK91, HK93, HK94 Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89HKP-01725$8.95 -
On Sale
HK MP5, HK90 Series Trigger Pack Hammer - Universal
HKP HK Parts
Now: $76.95Was: $96.95HKP HK Parts Hammer for HK90 Series Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm,...HKP-00377Now: $76.95Was: $96.95 -
On Sale
HK Mark 23 Micro Comp - Knurled - Threaded 16x1 - Right Hand
HKP HK Parts
Now: $23.95Was: $29.95HKP/H&K Mark 23 .45 ACP Knurled Micro Comp - Threaded 16x1 RH The HK Parts Micro Comp & Thread Protector is a lightweight, fully functional accessory that serves as both a compensator and thread protector. Easily attaching to any factory spec...HKP-21328Now: $23.95Was: $29.95 -
On Sale
HK MP5K, SP5K Binary Trigger Group - SEF Navy - BFSIII - 9mm
FA Franklin Armory
Now: $659.95Was: $879.95Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...HKP-20928-MNow: $659.95Was: $879.95 -
HK USPC, P2000 Magazine Floorplate - .357 SIG / .40 S&W - 12 Round - Rubberized
H&K Heckler & Koch
$18.95HK P2000/USPC .40 S&W Rubberized Floor Plate - Black Newer HK German production upgraded rubberized floor plate with finger rest. The older style plates were prone to breakage when dropped, this is the latest style that HK introduced to solve this...HKP-01556$18.95 -
HK USP Night Sights - Tru-Dot - Orange, Green
Meprolight
$99.99Meprolight HK USP Tru-Dot Night Sights - Orange, Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the...HKP-01907$99.99 -
On Sale
HK MP5 Tactical Handguard - Low Profile
HKP HK Parts
Now: $79.95Was: $99.95MP5 Tactical Handguard - Low Profile Fully adjustable for positive fitment and is built of high-strength aircraft-grade aluminum. Super lightweight and slim profile at less than 5.0 oz. Each handguard will accept your choice of Picatinny...HKP-02526Now: $79.95Was: $99.95 -
HK Bungee Single Point Sling - 1250mm Long
H&K Heckler & Koch
$109.95H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-17604$109.95 -
HK33, HK93 - Rear Sight Assembly Complete
H&K Heckler & Koch
$39.95Heckler and Koch HK93 and HK33 Rear Sight Assembly Complete - Used This is the complete assembly as it comes from HK for a .556 / .223 firearm.HKP-00706$39.95 -
On Sale
HK VP9SK Holster - DCH Comp Carry
Comp-Tac
$63.95 - $67.95Comp-Tac HK VP9SK DCH Comp Carry Holster The dual concealment holster, or the "DCH", is the best solution for users who need versatility in their carry methods. This holster offers both IWB (inside-the-waistband) and OWB (outside-the-waistband) options...HKP-20072-M$63.95 - $67.95 -
On Sale
HK SL8, G36 Magazine Release Axle Pin
GSG9
Now: $8.95Was: $10.95GSG9 Magazine Release Axle - USA made for HK G36 and HK SL8 Mag release axle for all G36 and SL8 models. A must-have spare part. Made in the USA. Compatible With: G36 G36K SL8 Other custom G36 type buildsHKP-18255Now: $8.95Was: $10.95