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 Universal Tactical Light - MKII - Replacement Halogen Bulb - Rare
H&K Heckler & Koch
Now: $47.95Was: $57.95Heckler and Koch Universal Tactical Light UTL MK II Replacement Halogen Bulb - Rare Replacement halogen bulb for the Heckler and Koch Universal Tactical Light UTL MK II. A rare replacement component for restoring or maintaining original UTL MK...HKP-99500Now: $47.95Was: $57.95 -
HK G36, SL8 Bolt Group Carrier - Incomplete - Semi-Auto
H&K Heckler & Koch
$396.95Heckler and Koch Incomplete Bolt Group Carrier for G36 and SL8 - Semi-Auto Heckler and Koch incomplete bolt group carrier for semi-auto G36 and SL8 platforms. Great as a factory replacement or spare carrier for G36 and SL8 rifles. Compatible...HKP-22868$396.95 -
HK91, G3 Bolt Carrier - .22 LR Conversion - Excellent
H&K Heckler & Koch
$473.95Heckler and Koch German Steel .22 LR Conversion Bolt Carrier for HK91, G3 - Used - Excellent Genuine German HK steel bolt carrier for G3 .22 LR conversion setups. Designed for use in converting compatible G3 pattern rifles to .22 LR with the proper...HKP-22856$473.95 -
HK MP5K Parts Kit - 9mm - SEF Trigger Group
H&K Heckler & Koch
$3,887.95Heckler and Koch German MP5K 9mm Parts Kit with SEF Trigger Group Genuine HK German MP5K parts kit with a flush barrel and SEF contoured trigger group configuration. Built from original German HK components, this kit is a strong option for those seeking...HKP-22852$3,887.95 -
HK416, MR556 Free Floating Handguard - 14.5" - M-LOK - Super Modular
Geissele
$549.95Geissele MK15 Free Floating M-LOK Handguard for HK416 and MR556 - 14.5" - Desert Dirt Color Geissele Automatics MK15 free float handguard for HK416 and MR556 platforms. Designed as a direct-fit upgrade for compatible rifles, it provides a rigid mounting...HKP-22853$549.95 -
HK P30 Magwell - EDC - Gold - BLEMISHED
HKP HK Parts
$59.95HK P30 Magwell - EDC - Gold - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our EDC magwell was redesigned for a...HKP-21429-GLD-B$59.95 -
On Sale
HK P2000, P2000SK Slide Release Lever - Left - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $48.95Heckler and Koch HK P2000, P2000SK Slide Release Lever - Left - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory HK slide release lever for the...HKP-99495Now: $39.95Was: $48.95 -
B&T TP9 Telescopic Brace - BLEMISHED
B&T Brugger & Thomet
$507.95B&T TP9 Telescopic Brace - BLEMISHED INSTALLATION MARKINGS - SCREWS ON BRACE ARE STRIPPED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. B&T Telescopic...HKP-18945-B$507.95 -
B&T Unigrip QD with Bipod - Aluminum - BLEMISHED
B&T Brugger & Thomet
$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-B$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 -
HK Sling Pin - Large - Quick Detach Attachment - USED
HKP HK Parts
$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-USED$37.95 -
Sig MCX PDW Handguard - Suppressor Compatible
Sig Sauer
$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-99492$159.00