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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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 -
HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger - FDE - BLEMISHED
Magpul
$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-99474$649.95 -
HK MP5 Trigger Group - AR Match - FDE - BLEMISHED
Magpul
$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-99473$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 -
HK MP5 Handguard - Bottom Rail
Command Arms Accessories
$189.95Command Arms HK MP5 Handguard - Bottom Rail Command arms bottom rail handguard for the MP5. Designed to replace the factory handguard with an aluminum Picatinny system, this setup provides a stable mounting platform for foregrips and other rail-mounted...HKP-99462$189.95 -
HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers - Incomplete
MKE
$24.95MKE AP5, AP5-P, HK MP5, MP5K Case Deflector for 9mm Receivers - Incomplete This incomplete steel case deflector is manufactured by MKE for AP5 firearms and fits MP5-pattern 9mm receivers. It installs on the ejection-port flat of the receiver and is...HKP-99461$24.95 -
HK VP9CC Grooved Pin For Release Catch
H&K Heckler & Koch
$5.95HK VP9CC Grooved Pin for Release Catch Factory HK grooved pin for the release catch for the HK VP9CC pistol. Compatible With: VP9CCHKP-22755$5.95 -
HK91, G3 Cocking Handle - Black - Rubberized - Surplus -Used
H&K Heckler & Koch
$24.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Used Used German military surplus from G3 Military rifles. Each comes complete, black in color. Date coded. Made by HK for the German military. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK...HKP-22849$24.95 -
On Sale
HK MR762 A4 Upper Receiver Kit - 13" - BLEMISHED
H&K Heckler & Koch
Now: $2,199.95Was: $2,499.95HK MR762 A4 Upper Receiver Kit - 13" - BLEMISHED USED FOR TESTING - RAN 90 ROUNDS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The MR762 A4 kit contains a...HKP-22399-BNow: $2,199.95Was: $2,499.95