Parts Kits
Explore our extensive selection of HK Parts Kits tailored for various HK models like the MP5, G3, UMP, and more at HKParts. These kits offer everything you need for upgrades, repairs, or full builds, ensuring top quality and reliability. Perfect for both enthusiasts and professionals looking to maintain or enhance their HK firearms.
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On Sale
HK33 A2 Parts Kit
H&K Heckler & Koch
Now: $2,897.95Was: $3,489.95HK33 A2 Parts Kit - Used Surplus (Receiver Not Included) Genuine German HK33 A2 parts kit professionally de-milled in accordance with BATF specifications. This kit does not include a receiver. These kits consist of German-manufactured HK components and...HKP-00783Now: $2,897.95Was: $3,489.95 -
HK51K Parts Kit - .308
HKP HK Parts
$2,099.95HK51K Parts Kit - 7.62 / .308 Previously only achievable by a handful of specialized builders, HK Parts brings the rare 51K to life through our comprehensive parts kit. Our 51K parts kit features a combination of hand-picked German and quality U.S...HKP-22876$2,099.95 -
HK MP5K Parts Kit - .40 S&W - Pistol Build
$1,829.95HKP MP5K .40 S&W Pistol Build Kit MP5K .40 complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and...HKP-21534$1,829.95 -
HK MP5 Parts Kit - RS Reverse Stretch - .40 S&W
HKP HK Parts / Heckler & Koch
$1,689.95HKP HK Parts and Heckler & Koch Reverse Stretch Pistol Build Kit - for HK MP5 .40 - Complete German and USA Made Parts MP5 .40 Reverse Stretch parts kit complete with all the parts needed for an MP5.40 semi-auto pistol. Each kit comes with all 6 of...HKP-19819$1,689.95 -
HK MP5 Parts Kit - A3 Buttstock - .40 S&W, 10mm
H&K Heckler & Koch
$5,499.95HK MP5 40 S&W A3 German Parts Kit - Used Genuine German HK MP5 40 parts kit Barrel - 3 lugs & threaded, cold hammer forged Trigger Group - Ambidextrous FBI (0,1) pictogram A3 Retractable Stock - correct 40 cal stock Bolt Group - .40...HKP-00897$5,499.95 -
HK MP5 Parts Kit - A3 Buttstock and SEF Lower - 9mm - 100% German
H&K Heckler & Koch
$2,799.95MP5 Parts Kit - 9mm HK German MP5 9mm Used Parts Kit Complete (Minus Receiver). All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto 2 small and 1 large Push...HKP-00770$2,799.95 -
HK MP5 Parts Kit - A3 Buttstock - 4 Position 3 Round Burst - .40 S&W, 10mm
H&K Heckler & Koch
$4,799.95H&K Heckler and Koch A3 4 Position 3 Round Burst Parts Kit for HK MP5 40,10 Genuine German HK MP5 .40 parts kits are becoming increasingly rare, and this setup is a prized find. Featuring the sought-after bolt hold open feature, the 4-position,...HKP-22242$4,799.95 -
On Sale
HK33 A3 German Parts Kit
H&K Heckler & Koch
Now: $3,249.95Was: $3,389.95Heckler and Koch HK33 A3 Parts Kits - Surplus Rare HK33 parts kit professionally de-milled and prepared in accordance with BATF specifications. This configuration includes the A3 collapsible stock, factory 0, 1, 25 trigger group, wide handguard, HK...HKP-20723Now: $3,249.95Was: $3,389.95 -
HK MP5 Parts Kit - .40 S&W
HKP HK Parts
$2,959.95HK MP5 .40 Pistol German Parts Kit - Used. Genuine German HK MP5 40 parts kit in the pistol configuration Includes: Barrel - 3 lugged & threaded, cold hammer-forged Trigger Group - Ambidextrous Navy 0,1, F Trigger Group or SEF Navy your choice A1...HKP-16719$2,959.95 -
HK MP5 German Parts Kit - .40 S&W - A2 Stock
HKP HK Parts
$3,979.95HK MP5 40 S&W A German Parts Kit - Used Includes: Barrel - 3 lugs, threaded, and cold hammer-forged Trigger Group - Ambidextrous Navy 0,1, F Trigger Group A2 Fixed Stock Bolt Group Mp5 40 F/A Forearm - Standard wide black polymer Rear Sight...HKP-00891$3,979.95 -
HK MP5 Conversion Kit - CQT FX - Blue - 9mm - Spare Part Lot - BLEMISHED
Simunition
$319.95CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED SHADES OF BLUE MAY VARY The CQT FX Simunition conversion spare parts lot from original kits. Everything pictured is included. THIS CLOSEOUT PART IS NOT...HKP-99054-B$319.95 -
Out Of Stock
HK11 LMG 7.62×51mm NATO Parts Kit
H&K Heckler & Koch
$0.00H&K HK11 LMG 7.62×51mm NATO Parts Kit HK 11 Parts Kit 7.62x51mm demilled to BATFE specs with 2 spare G3 aluminum magazines. The HK11 was built during the 70’s and 80’s. These are interchangeable with other HK Variants and can be...HKP-20912$0.00