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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$279.95 -
On Sale
HK 300 Magazine Spring Follower
H&K Heckler & Koch
Now: $19.95Was: $28.95HK 300 Magazine Spring Follower No longer in production. Factory original German manufactured replacement part. This follower will only fit HK300 .22 WMR rifles.HKP-02077Now: $19.95Was: $28.95 -
HK USP Full Size Magazine Locking Plate - .40 S&W - 10 Round
H&K Heckler & Koch
$9.95H&K 10 Round USP 40 Full Size Magazine Locking Plate Compatible With: USP .40 10 RoundHKP-02361$9.95 -
Out Of Stock
$0.00 -
HK P7 PSP Front Sight 5.9mm
H&K Heckler & Koch
$23.95HK P7 PSP Front Sight 5.9mm Compatible With: PSPHKP-01342$23.95 -
HK P7M10 Magazine Follower Insert - .40 S&W
H&K Heckler & Koch
$34.95HK P7M10 .40 S&W Magazine Follower InsertHKP-01364$34.95 -
Out Of Stock
HK P7 Series Firing Pin
H&K Heckler & Koch
$0.00Heckler and Koch HK P7 Series Firing Pin Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13HKP-00796$0.00 -
HK P7M8, P7M10, P7M13 Front Sight 7.0mm
H&K Heckler & Koch
$47.95Front Sight 7.0mm Compatible With: P7M8 P7M10 P7M13HKP-01392$47.95 -
Out Of Stock
HK P7M10 Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$0.00HK 10 Round P7M10 .40 S&W Magazine New HK German P7 M10 40 cal 10 Round Magazine. Rare And No Longer In Production.HKP-00300$0.00 -
HK Mark 23 Buffer Recoil Assembly Spring Washer
H&K Heckler & Koch
$9.95H&K HK Mark 23 Buffer Recoil Assembly Spring Washer This washer has a recessed groove for the spring on the end of the recoil assembly.HKP-16641$9.95 -
HK Mark 23 Recoil Assembly Buffer Spring Retainer
H&K Heckler & Koch
$11.95H&K HK Mark 23 Recoil Assembly Buffer Spring RetainerHKP-16643$11.95 -
Out Of StockOn Sale
HK P30 Firing Pin - Titanium
HKP HK Parts
Now: $29.95Was: $49.95HKP HK P30 Series Titanium Firing Pin A solid billet CNC offering that's 40% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry...HKP-17828Now: $29.95Was: $49.95