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, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL
MKE
Now: $7.46Was: $49.95MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEHKP-22220-BL-BNow: $7.46Was: $49.95 -
HK VP9, P30 Brass Base Pad
Grayguns
$28.00Grayguns Brass Base Pads are perfect for competitors looking to add weight to their pistol. Compared to our 6061 Aluminum pads, the Brass Base Pads are significantly heavier. Weight Comparison – VP9...HKP-22345$28.00 -
HK MP5, HK90 Series Trigger Box - Full Auto SEF - USED
H&K Heckler & Koch
$89.95Heckler and Koch USED Full Auto SEF Trigger Box for the HK90 Series UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine HK full-auto trigger box for HK90 seriesHKP-22156$89.95 -
HK CC9 Magazine Catch
H&K Heckler & Koch
$16.95Heckler and Koch Magazine Catch HK CC9 Genuine HK magazine catch for the CC9 pistol engages and locks the magazine in place while allowing for the quick release duringHKP-22106$16.95 -
HK416 A5, MR556 A3 Barrel Nut
Nefarious Arms
$39.95Nefarious Arms HK MR556 A3/416 A5 Barrel Nut Whether replacing a barrel nut or sourcing the best parts for your build, the Nefarious MR556/416 barrel nut is an excellent option. Meticulously crafted...HKP-22082$39.95 -
On Sale
HK MP5 Dual Folding Stock with Adapter - 9mm
HKP HK Parts / Strike Industries
$203.97 - $319.95HKP HK Parts and Strike Industries 9mm Dual Folding Stock with Adapter for HK MP5 The Strike Industries Dual Folding Stock paired with the HKP MP5 picatinny adapter is one of the best options on...HKP-21768-M$203.97 - $319.95 -
HK MP5, MP5K Thread Protector - 1/2x32 - RH
HKP HK Parts
$14.95HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from...HKP-21829$14.95 -
On Sale
HK P2000 Compensator for Threaded Barrel
HKP HK Parts
Now: $101.21Was: $189.95HKP HK P2000 Compensator for Threaded Barrel The HK Parts P2000 Compensator will add a sleek and tactical look to your P2000. With the quick and easy addition of our compensator you will add plenty...HKP-20879Now: $101.21Was: $189.95 -
On Sale
HKP Hat - Snapback - Flat Brim - OSFM - Gray and Red
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Gray & Red Get your hands on some of our premium hats! Features: Official HKP merchandise 100% coHKP-20718Now: $10.09Was: $19.95 -
Out Of StockOn Sale
HK SP5 Stock with HKP Adapter
HKP HK Parts / GSG9
Now: $189.95Was: $259.95GSG9 US Folding Stock with HK Parts Adapter for HK SP5 GSG9 US folding stock paired with an HK Parts SP5 adapter. Configured as a direct-fit stock assembly for the SP5 platform. Specifications:HKP-20662Now: $189.95Was: $259.95 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Safety Tab Kit - Red
Lazy Wolf
$19.95F3 Full Flat Face VP Series Trigger Tab, Spring Set from Lazy Wolf Guns - Red Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you...HKP-20096$19.95 -
Out Of Stock
HK G36, SL8 Handguard With Heat Shield
H&K Heckler & Koch
$115.99HK G36 & SL8 Forearm With Heat Shield New HK German G36 & HK SL8 handguard with heat shield & bipod attachment & sling loop point. A drop in part for your HK G36 or SL8 rifle.HKP-00271$115.99