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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Out Of Stock
HK MP5 Bolt Carrier Group - Full Auto - Complete - IB DATE CODE
H&K Heckler & Koch
$0.00MP5 Full Auto Bolt Group Complete - IB DATE CODE-NEW OLD STOCK HK German 9mm MP5 full auto bolt carrier IB dated new old stock in 100% working order. These bolt groups are HK German MP5 Limited quantity available. Heckler & Koch bolt...HKP-00662$0.00 -
Out Of Stock
HK33, 93 Cocking Tube with Hanger - USED
H&K Heckler & Koch
$88.95HK33/93 Cocking Tube With Hanger - UsedHKP-00710$88.95 -
Out Of Stock
HK33, HK53 Trigger Group - 0-1-25 SEF - Used
H&K Heckler & Koch
$999.95H&K 53/33 0-1-25 SEF Trigger Group-Used HK German 0-1-25 SEF trigger groups for 53/33 in used in good condition. These trigger groups are the ultimate choice to complete the factory correct look for a HK53. Given that the 0,1,25 trigger groups are no...HKP-00705$999.95 -
On Sale
IMI UZI Complete A.R.S Lower Grip - Incomplete - USED
IMI
Now: $97.95Was: $189.95IMI UZI Complete A.R.S Lower Grip - Incomplete - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY INCOMPLETE - MISSING SELECTOR LEVER AND BROKEN GRIP Israel manufactured complete lower grip. Each grip in is good condition and show signs of wear. Please...HKP-99193-USEDNow: $97.95Was: $189.95 -
On Sale
HK G36 Dual Optic With Carrying Handle - USED
H&K Heckler & Koch
Now: $1,499.95Was: $2,099.95HK G36 Dual Optic With Carrying Handle - USED ONLY 2 UNITS AVAILABLE - AS PICTURED DOTS OVER SCOPE - DAMAGED BUTTON USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory HK G36/SL8 dual optic in used...HKP-00744-USEDNow: $1,499.95Was: $2,099.95 -
On Sale
HK MP5 Magazine Body ONLY - 30 Round - GUNSMITH SPECIAL
MKE
Now: $24.95Was: $49.95HK MP5 Magazine Body ONLY - 30 Round - GUNSMITH SPECIAL VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTED AND WARPED MAGAZING BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...HKP-21184-GSNow: $24.95Was: $49.95 -
On Sale
HK USP Night Sight Set - Green - USED
Meprolight
Now: $71.95Was: $99.99Meprolight HK USP Night Sight Set - Green - USED ONLY 1 UNIT AVAILABLE - AS PICTURED OPEN AND TORN PACKAGING - FRONT SIGHT DAMAGED AND SHEARED OFF USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL...HKP-01906-USEDNow: $71.95Was: $99.99 -
On Sale
HK45, VP9, P30, Adjustable Rear Sight Superluminova Insert - Green - BLEMISHED
H&K Heckler & Koch
Now: $63.95Was: $119.95HK45, VP9, P30, Adjustable Rear Sight Superluminova Insert - Green - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING FRONT SIGHT - INSTALLATION MARKINGS - OPEN PACKAGING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS...HKP-18827-BNow: $63.95Was: $119.95 -
On Sale
HK UMP .40 Semi-Auto Bolt Group - Complete - BLEMISHED
Now: $387.95Was: $649.95HK UMP .40 Semi-Auto Bolt Group - Complete - 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. MM’s UMP tungsten...HKP-20626-BNow: $387.95Was: $649.95 -
On Sale
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $41.95Was: $59.95HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...HKP-19333-BNow: $41.95Was: $59.95 -
On Sale
HK USPC Magazine Housing - 9mm - 10 Round - BLEMISHED
H&K Heckler & Koch
Now: $12.95Was: $19.95HK USPC Magazine Housing - 9mm - 10 Round - BLEMISHED ONLY 2 UNITS 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. This is an...HKP-02500-BNow: $12.95Was: $19.95 -
On Sale
HK MP5 Magazine Body ONLY - 30 Round - USED
MKE
Now: $27.95Was: $49.95HK MP5 Magazine Body ONLY - 30 Round - USED CONDITION MAY VARY. SEE PHOTOS. USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. These MKE MP5 30 round magazines are the perfect addition or...HKP-21184-USED-2Now: $27.95Was: $49.95