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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HK German Sling - 3 Point - Like New
H&K Heckler & Koch
$73.95Heckler and Koch HK Platform German Sling 3 Point Three-point sling designed for HK rifles and carbines. Provides secure weapon retention and hands-free carrying. Compatible With: - HK G3, HK91, HK93 - HK33, HK33KA, HK53 - In-spec clones and custom...HKP-22787$73.95 -
On Sale
UZI Lower Grip, Incomplete - A.R.S - 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 MP5, AP5 Front Sight Tower - UNFINISHED - BLEMISHED
MKE
Now: $22.46Was: $49.95MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED SOLD INDIVIDUALLY - UNFINISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The front sight tower is a...HKP-22220-BNow: $22.46Was: $49.95 -
On Sale
A3 Tactical Picatinny Skelestock
JMK
$304.95 - $317.95A3 Tactical Picatinny Skelestock The A3 Tactical Skelestocks are fixed-length folding skeleton stocks meticulously machined from 6061 aluminum. An ambidextrous hinge enables it to fold either to the right or left, depending on the mounting...HKP-22410-M$304.95 - $317.95 -
On Sale
HK416, MR556 CQC Pistol Grip - Walnut
JMK
$62.95 - $70.95JMK HK416, MR556 CQC pistol grip - Walnut The CQC pistol grip by JMK is crafted from CNC-machined black walnut. After machining, the grip is dyed to a uniform color and finished with a catalyzed satin seal. These grips are compatible with any firearm...HKP-22401-M$62.95 - $70.95 -
On Sale
HK FMP G3 Early Type De-Milled Front End - No Cocking Handle Assembly
FMP HK CONTRACT
Now: $54.95Was: $68.95HK G3 - FMP Early Type De-milled Front End - No Cocking Handle Assembly Early style G3 front end with no hanger from de-milled FMP G3 parts kits. Perfect for custom builds. Includes: Cocking tube Trunnion Barrel pinHKP-22377Now: $54.95Was: $68.95 -
On Sale
HK G3 Stock Cut Off Section - OD Green
FMP HK CONTRACT
Now: $1.95Was: $2.45HK G3 Stock Cut Off Section - OD Green De-milled G3 stock section. Manufactured by FMP on HK tooling. Compatible With: HK G3, HK91 In-spec. clones and custom buildsHKP-22376Now: $1.95Was: $2.45 -
On Sale
AK Binary Trigger - Curved - BFSIII - 9mm - BLEMISHED
FA Franklin Armory
Now: $385.99Was: $534.95Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...HKP-19730-BNow: $385.99Was: $534.95 -
On Sale
HK MP5 Thread Protector Cap - .40 S&W, 10mm - 14x.75 - USED
H&K Heckler & Koch
Now: $34.95Was: $49.95H&K Heckler and Koch's Thread Protector Cap Threaded 14x.75 - USED for MP5 .40, 10 ONLY 4 UNITS AVAILABLE - AS PICTURED Priced for ONE cap - Condition Varies by Unit - Each unit Sold INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL...HKP-00422-BNow: $34.95Was: $49.95 -
On Sale
HK91, G3 Bolt Carrier - Full Auto - Surplus
H&K Heckler & Koch
Now: $97.95Was: $129.95Surplus Full-Auto Steel Bolt Carrier for HK91, G3 SOLD INDIVIDUALLY - VARYING CONDITION SHOWN Used full-auto steel bolt carrier for HK91 and G3 pattern rifles. Manufactured by HK, EBO, or FMP on original Heckler and Koch tooling. Compatible With: HK91,...HKP-22160-MNow: $97.95Was: $129.95 -
On Sale
HK P2000, USPC Magazine - .40 S&W - 10 Round - Black - USED
H&K Heckler & Koch
Now: $44.95Was: $54.95H&K 10 Round HK P2000/USPC .40 S&W Magazine - Black - USED USED. 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 German 10 Round...HKP-00311-BL-BNow: $44.95Was: $54.95 -
On Sale
HK91, G3, PTR Bolt Head - Complete - Used
EBO
Now: $79.95Was: $99.95EBO HK G3 & HK 91 & PTR Bolt Head Complete - Used Greek HK Contract Date Coded EBO bolt head is manufactured in Greece by Hellenic Arms Industry, utilizing HK tooling and prints. Since the 1980s, it has proven to be one of the best upgrades for...HKP-21903Now: $79.95Was: $99.95