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 MP5 Trigger Housing - 3 Position Burst 0,1,2 Pictogram - Push Pin - .40 S&W, 10mm
H&K Heckler & Koch
$199.95H&K MP5 40/10 3 Position (0,1,2 Pictogram) Burst Trigger Housing - Push Pin This factory push pin grip frame features 3 position (0,1,2) pictogram markings, designed for the MP5 40/10 series. It is a...HKP-16469$199.95 -
HK MP5 Locking Roller -2 - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch -2 roller HK German for HK MP5 40/10 Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.HKP-00336$19.95
HK MP5 Locking Roller -4 - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch HK German -4 roller for MP5 40/10 Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.HKP-00337$19.95On Sale
HK MP5K, SP89 Handguard - Low-Profile
PTR
$40.13 - $62.95PTR HK MP5K, SP89 9mm Tactical Low-Profile Handguard The modular tactical forearm from PTR accommodates 2" rails on either site or bottom for mounting accessories. Made from aircraft-grade aluminum...HKP-14539-M$40.13 - $62.95On Sale
HK MP5K, SP89, SP5K Modular Handguard - KEYMOD - 9mm
DTAC Dakota Tactical
Now: $101.97Was: $159.95DTAC 9mm Modular Handguard KEYMOD for HK MP5K, HK SP89, HK SP5K Features: Made in the USA (922r compliant part) KEYMOD accessory compatible<HKP-17807Now: $101.97Was: $159.95
HK MP5 Parts Kit - Reverse Stretch Pistol - 9mm
HKP HK Parts
$1,679.95MP5 Reverse Stretch 9mm Pistol Build Kit Complete - German & USA Made Parts MP5-RS 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the...HKP-17121$1,679.95On Sale
AR-15 Commercial Buffer Tube Kit
HKP HK Parts
Now: $20.96Was: $47.95AR-15 Commercial Buffer Tube Kit Compatible With: All AR-15 style platforms Not correct length for HK rifles IncludesHKP-02736Now: $20.96Was: $47.95
ACR Style Folding Stock - Picatinny Mount - Universal
Global Ordnance
$174.95Global Ordnance UFS 1913 Universal Folding Stock The Global Ordnance UFS 1913 Universal Folding Stock is designed for firearms equipped with a 1913 Picatinny rear rail. Built for versatility and...HKP-22542-M$174.95
$129.95
HK USPC, HK45, HK45C Magazine Follower
HKP HK Parts
$5.95HKP HK Parts Magazine Follower for HK USPC, HK45, and HK45C A great U.S.-made spare to have on hand, as the follower is a wear-and-replacement part. Do not forget to order spare magazine springs...HKP-22500-M$5.95Out Of Stock
HK P30, P30L Parabellum Loadout
HKP HK Parts
$0.00HK P30, P30L Parabellum Loadout Whether you are a fan of the movie or just want the best upgrades for your P30, the Parabellum Loadout checks all the boxes. Kit your HK out to your preference with...HKP-22469-KIT$0.00
HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA
HKP HK Parts / Burris
$509.95HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an...HKP-22398-M$509.95