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 VP40, USP, P2000, P30 Flash Hider - 4 Prong - Threaded 14.5x1 LH
USA
Now: $43.95Was: $79.95USA Made .40 S&W 4 Prong Flash Hider - 14.5x1 LH THIS IS A CLOSEOUT PRODUCT DUE TO A HARMONIC (TUNING FORK EFFECT) PRESENT WHEN SHOOTING. THE PART IS ENTIRELY FUNCTIONAL AND IS SOLD AS-IS, RETURNS WILL NOT BE ACCEPTED. For use on all HK German ...HKP-21445Now: $43.95Was: $79.95 -
HK416 Handguard - 9" - Strike Industries GRIDLOK - Full Duty
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok Full Duty The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI patent...HKP-21312$318.95 -
Out Of Stock
HK MP5 Navy Binary Trigger Group - Engraved - RAL8000
HKP HK Parts / FA Franklin Armory
$1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K Coming Soon! 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and greatest Binary trigger group freshly delivered with a factory HK German housing that...HKP-21290-M$1,499.95 -
Out Of Stock
HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII
HKP HK Parts / FA Franklin Armory
$1,499.95COMING SOON! Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K 3 Position 2 round burst style Engraved Pictograph – HK Binary Trigger Group Our latest and greatest Binary trigger group freshly delivered with a factory HK German housing...HKP-21160$1,499.95 -
G3 Backplate, Incomplete
H&K Heckler & Koch
$29.95G3 Incomplete Backplate Factory German G3 refinished backplate. This backplate was fully reconditioned and Parkerized for a factory look. A great replacement or spare to have around to replace your broken or worn out backplates. Don't forget to get a new...HKP-20859$29.95 -
On Sale
Remington 700 - 20 MOA - Scope Base Long Action - Tungsten
Tactical Precision MFG
Now: $38.75Was: $76.99TPM Remington 700 Scope Base Long Action 20 MOA These tight tolerance, bomb proof scope rail allows the shooter to make the best use of the scope's elevation adjustment for those long-range shots and engagements with 20 MOA options and will match factory...HKP-20781Now: $38.75Was: $76.99 -
HK MP5K-PDW German Parts Kit - 4 Position Trigger Group
$7,199.95HK MP5K-PDW German Parts Kit: Rare and ultra desirable MP5K-PDW parts kit. In good to like new condition with a factory marked HK folding stock and the ultra desirable 4 position 0, 1 , 3 , F burst trigger group , 3-lug threaded barrel (1/2 x 32...HKP-20759$7,199.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm - Tungsten
H&K Heckler & Koch
$449.95New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten filled German HK and the real deal.HKP-19390$449.95 -
Out Of Stock
HK G36E Barrel - 5.56 / .223 - 19"
USA
$499.95Barrel - USA - HK G36E Brand new HK G36E barrel. Specifications: Barrel length 19"HKP-19273$499.95 -
Out Of Stock
HK MP5K Gun Briefcase
H&K Heckler & Koch
$0.00H&K HK MP5K Gun Briefcase Compatible With: MP5K Can be adapted for use with custom builds and other MP5K variants Specifications: Dimensions: 20 in/15 in/ 5 in Condition: New Origin: GermanyHKP-19207$0.00 -
Out Of Stock
HK33, HK53, HK93, Z43 A2 Fixed Stock - Green
H&K Heckler & Koch
$0.00HK MKE/Zenith HK93,33,53 & Z43 - Fixed Stock - GreenHKP-17965$0.00 -
Out Of Stock
HK33, HK53, HK93 A2 Fixed Buttstock - Green
H&K Heckler & Koch
$0.00HK Heckler and Koch HK33, HK53, HK93 Fixed Stock - Green This stock will fit all HK .223 rifles and clones that are made to factory spec. Compatible with: HK33, HK53, HK93 Zenith Z43 This is the current production model with the improved buffer. This...HKP-00473$0.00