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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H&K G3 Parts Kit - PTR Barrel & Flat
H&K Heckler & Koch
$849.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit, PTR Barrel, Flat Finally, after more than 4 years of searching the globe we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3...HKP-16579$849.95 -
HKP G36C Parts Kit
HKP HK Parts
$1,199.95HKP G36C Parts Kit HK Parts brings you a complete G36 parts kit, loaded out with everything you need to complete a stripped receiver. Our parts kits will have the highest quality parts for ultimate reliability. As an added bonus, each of our parts...HKP-21492$1,199.95 -
HKP UMP Parts Kit - .45 ACP
HKP HK Parts
$999.95HKP UMP Parts Kit - .45 ACP HK Parts brings a complete UMP Parts kit that includes everything you require to complete any stripped receiver. Our new parts kits will have the highest quality parts for ultimate reliability. Guaranteed to be the most...HKP-21433$999.95 -
FMP - G3 Parts Kit - With Mags
HKP HK Parts
$290.00FMP - G3 Parts Kit - With Mags The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. You now have the opportunity to build one of these iconic battle rifles. Licensed by H&K and...HKP-20865$290.00 -
H&K HK21 FMP Parts Kit, 7.62x51
H&K Heckler & Koch
$1,788.95H&K HK21 FMP Parts Kit, 7.62x51 Seize your opportunity to secure a piece of history! These HK21 parts kits were manufactured by the Portuguese government under license from HK using HK's tooling, dies, and prints. Each HK21 kit has been...HKP-21393$1,788.95 -
Taiwanese T65 Retro Parts Kit
$1,199.95Taiwan - T65 Gas Piston Rifle Parts Kit We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military conflicts and civil war. These kits are heavily used but...HKP-19676$1,199.95 -
On Sale
FN-FNS .40 S&W Pistol Parts Kit
FN
Now: $287.95Was: $399.95FN FNS -40 Cal Pistol Parts Kit Kits comes complete less the lower receiver. Each kit was handpicked and comes in in the factory hard case as pictured. Includes: Complete slide assembly with firing pin and extractor assemblies Recoil rod...HKP-19741Now: $287.95Was: $399.95 -
HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set
HKP HK Parts
$2,499.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set MP5SD 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A)...HKP-18052$2,499.95 -
H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked
H&K Heckler & Koch
$1,099.95G3, 91 Hand Picked Parts Kit - Barrel, Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x 24 Please note: Each...HKP-20071$1,099.95 -
HKP MP5 10mm Pistol Build Kit
HKP HK Parts
$2,299.95MP5 10mm Build Kit With Flat, Top Rail & Weldment Set HK Parts MP5 Build Kit is the best priced value available anywhere. There is a limited supply and they will be gone before you know it. The MP5 10mm parts kit comes complete with all the parts...HKP-18409$2,299.95 -
FMP HK G3 (7.62x51/.308) Parts Kit (HK Contract)
FMP
$397.95HK Contract Portuguese FMP G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and receiver. As per BATFE import...HKP-17694$397.95 -
H&K G3 (7.62x51/.308) Parts Kit
H&K Heckler & Koch
$497.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$497.95 -
GSG9 HK G36K AR Rifle Kit
GSG9
$1,849.95GSG9 HK G36K AR Rifle Kit Complete G36K AR Parts Kit with Folding Stock. Includes all parts needed for a complete build aside from the receiver. This kit has a an AR15 1/2 X 28 threaded barrel and flash hider. This kit uses standard G36 magazines as well...HKP-19130$1,849.95 -
GSG9 HK G36K Rifle Kit
GSG9
$1,999.95HK G36K Rifle Parts Kit Complete with Folding Stock - USA Made Complete G36K Semi-Auto Parts Kit with Folding Stock. Includes all parts needed for a complete build except the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver...HKP-18650$1,999.95 -
EBO HK G3 (7.62x51/.308) Parts Kit - Tungsten Filled Carrier - (Greek HK Contract)
EBO
$449.95HK Contract Greek EBO G3 .308/7.62 X 51mm Surplus Parts Kit Rare and HK Greek EBO Surplus G3 parts kits with the Tungsten filled bolt carriers. Each demilled parts kit comes with all parts from a functional HK G3 full auto rifle except the barrel and...HKP-17695$449.95 -
HKP MP5K 9mm Complete Pistol Build Kit
HKP HK Parts
$2,099.95MP5K, MP5K-N Style Pistol Build Kit Complete The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts: Barrel - 5.5" button rifled, 3-lugged & threaded 1/2x28 with...HKP-02604$2,099.95 -
H&K G3 Parts Kit - RCM Barrel
H&K Heckler & Koch
$647.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...HKP-16577$647.95 -
HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set
HKP HK Parts
$1,899.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...HKP-18039$1,899.95 -
Out Of Stock
H&K G36K Parts Kit w/ Rear Hinge Section
H&K Heckler & Koch
$3,995.00G36K Parts Kit Complete With Stock Hinge Section Finally a factory German HK G36K parts kit with the most desirable of parts and the ultra desirable stock hinge section. Click this link to complete your build with a DEFGUNZ DEF36 receiver...HKP-00269$3,995.00 -
On Sale
FMK-3 - Submachine Gun - Spare Parts Kit
Now: $159.95Was: $299.95FMK-3 - Submachine Gun - Spare Parts Kit Comes with everything in the picture. Used, fair/good condition. Parts kit are from factory DeMilled parts kits. Kit does NOT include a Magazine-Barrel *All NFA Rules Apply*HKP-18479Now: $159.95Was: $299.95 -
H&K HK MP7 A2 Parts Kit
H&K Heckler & Koch
$20,595.00HK MP7 A2 Parts Kit - German HK Available for the first time ever! Get your hands on an updated HK German MP7 A2 parts kit. Each demilled kit is factory original, unfired, and ships in the factory packaging with manuals. Perfect for a...HKP-20050$20,595.00 -
H&K HK33 Pistol Parts Kit w/ Flat & Weldment Set
H&K Heckler & Koch
$1,988.95HK 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 the last parts kits available we are told there...HKP-19731$1,988.95 -
HKP MP5 10mm Reverse Stretch Parts Kit
HK Parts, Heckler & Koch
$2,099.95MP5 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 pistol. Each kit comes with all 6 of the needed US...HKP-19818$2,099.95 -
H&K MP5 9mm Parts Kit 100% German - A2 Stock & FBI Lower
H&K Heckler & Koch
$2,299.95HK German MP5 9mm Used Parts Kit Complete MP5 Parts Kit - 9mm (Minus Receiver) All MP5 Kits: 100% German Parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Two small and one...HKP-01911$2,299.95 -
H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE
H&K Heckler & Koch
$4,499.00H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$4,499.00 -
HKP MP5 9mm Reverse Stretch Pistol Build Kit - Complete
HKP HK Parts
$1,774.95MP5 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 needed US made compliance parts to be legal as a pistol,...HKP-17121$1,774.95 -
GSG9 HK G36C Complete Pistol Parts Kit
GSG9
$1,999.95HK G36C Pistol Parts Kit Complete - US Made Complete G36C Semi-Auto Parts Kit. Includes all parts needed for a complete build aside from the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver. 922R Compliant...HKP-18647$1,999.95 -
GSG9 HK G36K Complete Parts Kit
GSG9
$1,999.95GSG9 HK G36K Complete Parts Kit Complete G36K Semi-Auto Parts Kit. Includes all parts needed for a complete build aside from the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver. 922R Compliant Parts: Barrel Bolt...HKP-18648$1,999.95 -
H&K HK53 A3 German Parts Kit - Used
H&K Heckler & Koch
$8,499.95HK German HK53 A3 Factory Parts Kit Complete Minus The Demilled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst trigger group Factory HK 53 wide forearm 4 prong factory flash hider A3...HKP-20729$8,499.95 -
H&K, B&T HK MP5 Swiss & German Parts Kit With B&T Folding Pistol Brace
$2,399.95HK German MP5 made with Swiss Marked & Proofed HK MP5 Parts Kit Includes: German demilled HK front sight tower assembly and sling loop German HK cocking tube assembly complete German HK trunnion with magwell section attached to the demilled...HKP-19477$2,399.95 -
HKP HK MP5K Binary Pistol Build Complete Limited Edition Kit
HKP HK Parts
$3,799.95Limited Edition Parts Kit - MP5K With Binary Trigger Group Our limited edition parts kit will include the highly desirable Binary 3 position Navy trigger group with a universal style housing that will accommodate for a SP5K style semi auto shelf and a...HKP-20025$3,799.95 -
H&K MP5 9mm Parts Kit 100% German - A2 Stock & SEF Lower
H&K Heckler & Koch
$2,599.95HK 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 Pin 30-Round Curved...HKP-00771$2,599.95 -
HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger
$2,199.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...HKP-20523$2,199.95 -
HK 417 German Parts Kit w/ 12" Barrel
H&K Heckler & Koch
$26,000.00HK German 417 Assaulter 12" Parts Kit - Unfired The ultimate HK unicorn. Have you ever seen one let along seen a brand new German UNFIRED HK417 Assaulter parts kit with EVERY single part with the exception of the stripped lower? This is the ultimate HK...HKP-18433$26,000.00 -
H&K MP5 9mm Parts Kit 100% German - A3 Stock & SEF Lower
H&K Heckler & Koch
$3,499.95MP5 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$3,499.95 -
H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set
H&K Heckler & Koch
$2,089.95H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set Each MP5 9mm parts kit started life as an iconic German manufactured MP5 that was issued to the border guard and military police for service. During that service, they were carried a ton but...HKP-16606$2,089.95 -
H&K UMP (.40 S&W) Parts Kit - German - Used
H&K Heckler & Koch
$2,287.95HK 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 this link to complete your build with a DEFGUNZ...HKP-00588$2,287.95 -
H&K UMP (.45 ACP) Parts Kit - Extended Demilled Rear Receiver Section - Used
H&K Heckler & Koch
$4,287.95HK German UMP .45 Parts Kit- Used PD Trade-In UMP .45 German parts kit complete with all the factory HK parts minus the receiver. PD trade-ins are in good shape. Click this link to complete your build with a DEFGUNZ DEF9 receiver. Each UMP .45 Parts...HKP-00589$4,287.95 -
HKP MP5 Parts Kit
HK Parts, Heckler & Koch
$2,749.95HKP MP5 Parts Kit Vintage flavor with modern flare. Our team set out to strike a symbiotic balance of classic MP5 with modern accessories delivered at an affordable price. The result is a build kit comprised of vetted components engineered to get...HKP-21495$2,749.95 -
H&K MP5-A2 .40 S&W German Parts Kit
HKP HK Parts
$3,899.95HK 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$3,899.95