Parts Kits

Parts Kits

Complete Your H&K Firearm with Parts Kits - MP5, G36, HK416, and More!

Explore our comprehensive selection of H&K parts kits for your firearm needs. Whether you're into MP5, G36, HK416, G3, UMP, HK417, MR556, or MR762, we have the perfect parts kits to complete your H&K firearm. Don't compromise on quality; choose the best for your weapon. Browse our selection now to find the ideal parts kits for your H&K firearm.

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  • On Sale
    CQT FX Simunition Conversion Kit for MP5 9mm - Grey - USED || HKP-99066 || HKPARTS

    CQT FX Simunition Conversion Kit for MP5 9mm - Grey - USED

    Simunition

    Now: $219.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 9mm - Grey - USED   The CQT FX Simunition conversion kit is in excellent, like-new condition and comes with original factory packaging. This is your chance to grab one of the last remaining units, so...
    HKP-99066
    Now: $219.95
    Was: $319.95
    Qty in Cart: 0
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    Now: $219.95
    Was: $319.95
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    $0.00
  • Out Of Stock
    German HK53 A2 Navy Parts Kit Complete - Used || HKP-01125 || HKPARTS German HK53 A2 Navy Parts Kit Complete - Used

    German HK53 A2 Navy Parts Kit Complete - Used

    H&K Heckler & Koch

    $0.00
    HK 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
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  • Out Of Stock
    H&K 53 A2 Complete Ambi/Burst Parts Kit || HKP-01261 || HKPARTS H&K 53 A2 Complete Ambi/Burst Parts Kit

    H&K 53 A2 Complete Ambi/Burst Parts Kit

    H&K Heckler & Koch

    $0.00
    HK 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
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  • Out Of Stock
    H&K 53 A3 Parts Kit - (0-1-25) Trigger Housing || HKP-14342 || HKPARTS

    H&K 53 A3 Parts Kit - (0-1-25) Trigger Housing

    H&K Heckler & Koch

    $0.00
    HK 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
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  • Out Of Stock
    H&K HK G36K Parts Kit for HDPS Stock Block Conversion || HKP-16514 || HKPARTS

    H&K HK G36K Parts Kit for HDPS Stock Block Conversion

    H&K Heckler & Koch

    $0.00
    G36K 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
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  • H&K HK MP5 9mm Single Shot Reverse Stretch Build Kit || HKP-19698 || HKPARTS

    H&K HK MP5 9mm Single Shot Reverse Stretch Build Kit

    H&K Heckler & Koch

    $1,649.95
    California 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
    Qty in Cart: 0
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    $1,649.95
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  • H&K HK MP5 Parts Kit A3 4-Position Ambidextrous Lower || HKP-01301 || HKPARTS

    H&K HK MP5 Parts Kit A3 4-Position Ambidextrous Lower

    H&K Heckler & Koch

    $5,499.95
    HK 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
    Qty in Cart: 0
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    $5,499.95
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  • H&K HK33 A3 German Parts Kit - Used || HKP-20723 || HKPARTS

    H&K HK33 A3 German Parts Kit - Used

    H&K Heckler & Koch

    $4,499.00
    HK33 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
    Qty in Cart: 0
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    $4,499.00
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  • Out Of Stock
    H&K HK33A2 Parts Kit-Used || HKP-00783 || HKPARTS H&K HK33A2 Parts Kit-Used

    H&K HK33A2 Parts Kit-Used

    H&K Heckler & Koch

    $0.00
    HK33 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
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  • Out Of Stock
    H&K MP5 9MM Parts Kit 100% German - A2 Stock & 4 Position Lower || HKP-00776 || HKPARTS

    H&K MP5 9MM Parts Kit 100% German - A2 Stock & 4 Position Lower

    H&K Heckler & Koch

    $0.00
    HK 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
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  • Out Of Stock
    H&K UMP (9mm) Parts Kit || HKP-02425 || HKPARTS H&K UMP (9mm) Parts Kit

    H&K UMP (9mm) Parts Kit

    H&K Heckler & Koch

    $0.00
    HK 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
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  • Out Of Stock
    HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 || HKP-02287 || HKPARTS HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28

    HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28

    HKP HK Parts

    $679.95
    HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop in with...
    HKP-02287
    $679.95
    Qty in Cart: 0
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    $679.95
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  • HKP MP5K .40 S&W Pistol Build Kit || HKP-21534 || HKPARTS HKP MP5K .40 S&W Pistol Build Kit

    HKP MP5K .40 S&W Pistol Build Kit

    $2,289.95
    HKP 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
    Qty in Cart: 0
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    $2,289.95
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    $0.00
  • Out Of Stock
    HKP/H&K UMP 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug || HKP-02285 || HKPARTS HKP/H&K UMP 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug

    HKP/H&K UMP 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug

    HKP HK Parts

    $999.95
    HKP/H&K UMP 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The total...
    HKP-02285
    $999.95
    Qty in Cart: 0
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    $999.95
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    $0.00
  • MP5K PDW German Parts Kit - 4 Position Trigger Group || HKP-20759 || HKPARTS

    MP5K PDW German Parts Kit - 4 Position Trigger Group

    $8,999.95
    MP5K 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
    Qty in Cart: 0
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    $8,999.95
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    $0.00
  • RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1 || HKP-21786 || HKPARTS RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1

    RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1

    RCM

    $214.95
    RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. Comes with a thread protector. Each barrel is made from ordnance-grade steel,...
    HKP-21786
    $214.95
    Qty in Cart: 0
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    $214.95
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    $0.00
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