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
B&T Unigrip QD with Bipod - Aluminum - BLEMISHED
B&T Brugger & Thomet
Now: $168.95Was: $224.99B&T Unigrip QD with Bipod - Aluminum - BLEMISHED DINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This B&T foregrip features a...HKP-21596-BL-BNow: $168.95Was: $224.99 -
On Sale
HK German Bayonet Adapter Without Hardware - Incomplete - USED
H&K Heckler & Koch
Now: $99.95Was: $159.95HK German Bayonet Adapter Without Hardware - Incomplete - USED SOLD INDIVIDUALLY - VARYING CONDITION SHOWN INCOMPLETE USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. HK German Bayonet...HKP-00021-BNow: $99.95Was: $159.95 -
On Sale
HK Sling Pin - Large - Quick Detach Attachment - USED
HKP HK Parts
Now: $28.95Was: $37.95HK Sling Pin - Large - Quick Detach Attachment - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The...HKP-18070-USEDNow: $28.95Was: $37.95 -
On Sale
HK VP9, USPC, P Series Magazine Housing - 15 Round - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $35.95Was: $47.95HK VP9, USPC, P Series Magazine Housing - 15 Round - GUNSMITH SPECIAL BENT - DENTED Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will vary from part-to-part vs...HKP-16655-BNow: $35.95Was: $47.95 -
On Sale
Sig MCX PDW Handguard - Suppressor Compatible
Sig Sauer
Now: $87.97Was: $159.00SIG MCX PDW Suppressor Compatible Handguard - KeyMod - Black SIG MCX PDW handguard built for suppressor-compatible setups. Constructed from aluminum, this discontinued KeyMod handguard offers a lightweight, factory-style option for PDW builds that need...HKP-99492Now: $87.97Was: $159.00 -
HK91, G3 Sling Button
H&K Heckler & Koch
$9.95Heckler and Koch Sling Button Stud for HK91 and G3 Heckler and Koch sling button stud for HK91 and G3 rifles. A factory-style replacement part for restoring or maintaining the sling attachment point on compatible HK pattern rifles. Compatible...HKP-99475$9.95 -
On Sale
HK91, G3 Magazine Floorplate - 7.62x51 / .308
H&K Heckler & Koch
Now: $19.95Was: $29.95Magazine Floorplate for HK91, G3 - 7.62x51 / .308 Magazine floorplate for HK91 and G3 7.62x51 / .308 magazines. A factory replacement part for restoring or maintaining compatible magazine assemblies. Compatible With: HK91, G3 THIS...HKP-99477Now: $19.95Was: $29.95 -
On Sale
HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger - FDE - BLEMISHED
Magpul
Now: $519.95Was: $649.95Magpul HK MP5K AR 9mm Navy Style Match Trigger Group - FDE Our improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5K-AR style match trigger group. This trigger group is a...HKP-99474Now: $519.95Was: $649.95 -
On Sale
HK MP5 Trigger Group - AR Match - FDE - BLEMISHED
Magpul
Now: $519.95Was: $664.95Magpul AR Match Trigger Group for HK MP5 - FDE Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a...HKP-99473Now: $519.95Was: $664.95 -
On Sale
HK SEF Trigger Housing - Semi-Auto
H&K Heckler & Koch
Now: $129.95Was: $169.95Heckler and Koch Semi-Auto SEF Trigger Housing Heckler and Koch semi-auto SEF trigger housing for compatible HK firearms. A factory-style housing option for builds, replacements, or repair projects requiring a semi-auto SEF configuration. THIS CLOSEOUT...HKP-99472Now: $129.95Was: $169.95 -
German BGS Double Magazine Pouch - Vintage Leather Ammo Case - Mogo Berlin 64 - Like New.`
H&K Heckler & Koch
$49.95Vintage Leather German BGS Double Magazine Pouch Case - Mogo Berlin 64 - Like New Vintage leather double magazine pouch for German BGS field gear setups. Marked Mogo Berlin 64, this double magazine pouch offers classic West German styling and is...HKP-99469$49.95 -
HK SL6 Magazine - 4 Round - Used - RARE
H&K Heckler & Koch
$249.95Heckler and Koch 4 Round Magazine for HK SL6 - Used - Rare Rare 4 round magazine for the HK SL6 chambered in .223. A hard to find factory magazine for collectors, restorations, or completing an original SL6 setup. Compatible With: SL6 .223 THIS...HKP-99466$249.95