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 MP5-A3 40/10 Parts Kit - PD Trade In
H&K Heckler & Koch
$3,999.95HK 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$3,999.95 -
HKP MP5 .40 S&W RS Reverse Stretch Parts Kit
HK Parts, Heckler & Koch
$2,099.95MP5 .40 Reverse Stretch Pistol Build Kit Complete German & 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 the needed US made compliance parts to be...HKP-19819$2,099.95 -
HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger
$2,499.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger 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...HKP-20524$2,499.95 -
MP5F Parts Kit 3 Pos Navy Pistol or A2 Kit
H&K Heckler & Koch
$3,299.95MP5F Parts Kit 3 Pos Navy Pistol or A2 Kit HK German MP5F 9mm used parts kit complete. All MP5F Kits: 100% German parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking tube Front sight tower Wide forearm - black Bolt group - MP5F full auto with all...HKP-01538$3,299.95 -
H&K HK MP5K PDW German Parts Kit
H&K Heckler & Koch
$8,999.95H&K HK MP5K PDW German Parts Kit Finally after searching all over the country we are able to bring you the rare and ultra-desirable MP5K PDW parts kit. In good to like new condition with a factory marked HK folding stock and the ultra desirable Navy...HKP-20640$8,999.95 -
H&K HK MP5SD German Parts Kit
H&K Heckler & Koch
$11,000.00H&K HK MP5SD German Parts Kit Genuine German H&K MP5SD parts kit in good condition. Ultra rare offering with all highly desirable parts including a like-new Navy 3 position trigger group with ESSL, H&K A3 collapsible stock, and the original...HKP-20641$11,000.00 -
Out Of Stock
H&K HK11 LMG 7.62×51mm NATO Parts Kit
H&K Heckler & Koch
$2,895.95H&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$2,895.95 -
H&K MP5 9mm A3 Parts Kit With Navy 3 Position Trigger Group
H&K Heckler & Koch
$3,699.95HK German MP5 9mm Used Parts Kit Complete 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 Push Pins - 1 Large and 2 Small 30-Round Curved...HKP-00887$3,699.95 -
HKP MP5 .40 S&W Pistol Build Kit
HKP HK Parts
$2,099.95MP5 .40 Pistol Build Kit Complete German & USA Made Parts MP5 .40 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-18405$2,099.95 -
Out Of Stock
German HK53 A2 Navy Parts Kit Complete - Used
H&K Heckler & Koch
$0.00HK German HK53 A2 Factory Parts Kit Complete Less Demilled Receiver. Each Parts Kit Includes:HK German Desirable 1/7 Twist Factory Cold Hammer Forged BarrelHK Ambidextrous SEF or Navy Trigger Group (Your Choice Of Lower)Factory HK 53 Wide Forearm (not...HKP-01125$0.00 -
Out Of Stock
H&K 53 A2 Complete Ambi/Burst Parts Kit
H&K Heckler & Koch
$0.00HK German Factory Newer Production HK53A2 SEF or (0-1-2) Burst Trigger Group Factory Parts Kit Complete Minus The Demilled Receiver. Each Parts Kit Includes The Following Factory Used HK53 Parts: HK German Desirable 1/7 Twist Factory Cold Hammer Forged...HKP-01261$0.00 -
Out Of Stock
H&K 53 A3 Parts Kit - (0-1-25) Trigger Housing
H&K Heckler & Koch
$0.00HK German HK53A3 Factory Parts Kit Complete Minus The Demilled Receiver This complete HK53A3 parts kit includes everything needed to build or upgrade your firearm, except for the demilled receiver. Each kit features authentic German HK components: Each...HKP-14342$0.00 -
Out Of Stock
H&K HK G36K Parts Kit for HDPS Stock Block Conversion
H&K Heckler & Koch
$0.00G36K Parts Kit Complete Less Stock Hinge Section Factory German HK G36K parts kit with the most desirable of the necessary parts for an HDPS stock block conversion. Contact Black Ops Defense for your stock block conversion. Includes: 3...HKP-16514$0.00 -
H&K HK MP5 9mm Single Shot Reverse Stretch Build Kit
H&K Heckler & Koch
$1,649.95California Spec Single Shot Reverse Stretch Kit - German & USA Made Parts: This kit was built with the CA market in mind. This kit has a specially designed locking piece that once installs it renders the kit a single shot style roller lock. This kit...HKP-19698$1,649.95 -
H&K HK MP5 Parts Kit A3 4-Position Ambidextrous Lower
H&K Heckler & Koch
$5,499.95HK German MP5 9mm Used Parts Kit Complete (Minus Receiver Of Course) 100% GERMAN PARTS All MP5 Kits: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Push Pins - 1...HKP-01301$5,499.95 -
H&K HK33 A3 German Parts Kit - Used
H&K Heckler & Koch
$4,499.00HK33 A3 Parts Kits - Used Surplus Parts kit does not include a receiver Demilled & prepared per BATF specifications. HK 33 parts kit with a rare A3 collapsible stock. 0, 1, 25 factory correct trigger group, wide handguard, HK date-coded barrel, and...HKP-20723$4,499.00 -
Out Of Stock
H&K HK33A2 Parts Kit-Used
H&K Heckler & Koch
$0.00HK33 A2 Parts Kits - Used Surplus Parts kit does not include a receiver Demilled & prepared per BATF specifications.These are the last ones available we are told there will be no more available at this price.HK93 style receiver flats are also...HKP-00783$0.00 -
H&K MP5 .40 S&W Parts Kit
HKP HK Parts
$2,699.95HK 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$2,699.95 -
Out Of Stock
H&K MP5 9MM Parts Kit 100% German - A2 Stock & 4 Position Lower
H&K Heckler & Koch
$0.00HK German MP5 9mm Used Parts Kit Complete - Less Receiver. All MP5 Kits: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Fore arm - Black Bolt Group - MP5 Full Auto Push Pins - 1 Large and 2 Small 30 Round Curved Magazine -...HKP-00776$0.00 -
H&K MP5F Parts Kit 3 Position Navy A3 - RARE
H&K Heckler & Koch
$3,999.95H&K MP5F Parts Kit 3 Position Navy A3 - RARE HK German MP5F A3 9mm Parts Kit Complete - USED 100% GERMAN HK MP5F correct parts the real deal and the most sought after parts kit available (Minus Receiver Of Course). Includes: 100% German Parts HK...HKP-19559$3,999.95 -
Out Of Stock
H&K UMP (9mm) Parts Kit
H&K Heckler & Koch
$0.00HK UMP 9mm Parts Kit - Like New Condition Click this link to complete your build with a DEFGUNZ DEF9 receiver. Includes: Front Sight 9mm Bolt Group Complete 9mm Ejector Lever Folding Stock 0,1,F Lower Trigger Group 1 x 30 round 9mm Factory...HKP-02425$0.00 -
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
$2,748.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...HKP-21482$2,748.95 -
HKP MP5K .40 S&W Pistol Build Kit
$2,289.95HKP MP5K .40 S&W 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 accept a wide variety of muzzle devices and...HKP-21534$2,289.95 -
HKP MP5K 10mm Pistol Build Kit
HKP HK Parts
$2,289.95HKP 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 accept a wide variety of muzzle devices and suppressors...HKP-21533$2,289.95 -
MP5K PDW German Parts Kit - 4 Position Trigger Group
$8,999.95MP5K PDW German Parts Kit: Rare and ultra desirable MP5K PDW parts kit. In good to like new condition with a factory marked HK folding stock and the ultra desirable 4 position 0, 1 , 3 , F burst trigger group , 3-lug threaded barrel (1/2 x 32...HKP-20759$8,999.95