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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Out Of Stock
HK MP5 to MP5SD Front End Conversion Kit
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from...HKP-21318$1,299.95 -
HK33 Pistol Parts Kit - Receiver Flat and Weldment Set - RCM Barrel
H&K Heckler & Koch
$1,834.95HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are...HKP-19731$1,834.95 -
HK MR762 A4 Upper Receiver Kit - 13"
H&K Heckler & Koch
$2,499.95HK MR762 A4 Upper Receiver Kit - 13" The MR762 A4 kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with...HKP-22399$2,499.95 -
HK UMP Parts Kit - .40 S&W
H&K Heckler & Koch
$1,829.95HK German UMP .40 Cal Parts Kit - Used HK UMP .40 German parts kit complete with all the factory HK parts minus the receiver. Perfect for those who are doing a custom build or for spare parts. Click...HKP-00588$1,829.95 -
HK MP5 Parts Kit - Reverse Stretch Pistol - 9mm
HKP HK Parts
$1,679.95MP5 Reverse Stretch 9mm Pistol Build Kit Complete - German & USA Made Parts MP5-RS 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the...HKP-17121$1,679.95 -
HK MP5K Parts Kit - 10mm - Pistol Build
HKP HK Parts
$1,889.95HKP MP5K 10mm Pistol Build Kit MP5K 10mm 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...HKP-21533$1,889.95 -
Out Of Stock
B&T TP9, MP9 Survival Set Spare Parts Kit
B&T Brugger & Thomet
$329.95B&T BT TP9, BT MP9 Survival Set Spare Parts Kit This is must have spare parts kit for those high mileage parts. Includes: Firing pin (BT-30113)HKP-17301$329.95 -
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...HKP-22876$2,099.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with...HKP-20524$2,389.95 -
HK MP5 Parts Kit - A2 Buttstock and SEF Lower - 9mm - 100% German
H&K Heckler & Koch
$2,239.95HK German MP5 9mm Used Parts Kit Complete (Minus Receiver) All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube FrHKP-00771$2,239.95 -
On Sale
HK MP5 Parts Kit - Reverse Stretch - 10mm
HKP HK Parts / Heckler & Koch
Now: $1,749.95Was: $1,889.95MP5 10mm Reverse Stretch Pistol Build Kit Complete German & USA Made Parts ON SALE WHILE SUPPLIES LAST! MP5 10mm Reverse Stretch parts kit complete with all the parts needed for an MP5 10mm semi-auto...HKP-19818Now: $1,749.95Was: $1,889.95 -
On Sale
HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
H&K Heckler & Koch
Now: $409.46Was: $945.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KITHKP-01147-BNow: $409.46Was: $945.95