HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - H&K HK MR762/417 Enhanced Buffer Tube - Black - HKP-16770 HK417,  MR762 Enhanced Buffer Tube
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    HK417, MR762 Enhanced Buffer Tube

    H&K Heckler & Koch

    $134.95
    H&K HK MR762/417 Enhanced Buffer Tube/Receiver Extension - Black Brand new factory HK German manufactured MR762, MR308, & HK 417 buffer tube. Compatible With: HK MR762 HK 417
    HKP-16770
    $134.95
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    $134.95
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  • New - H&K HK MR762 Drop Safety Catch Pin - HKP-16617
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    HK MR762 Drop Safety Catch Pin

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Drop Safety Catch Pin   Compatible With: HK MR762
    HKP-16617
    $4.95
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    Qty in Cart: 0
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    $4.95
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  • On Sale
    New - HKP HK 416/MR556 7" M-LOK Quad Rail - Black - HKP-17986
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    HK416, MR556 Quad Rail - 7" - M-LOK

    HKP HK Parts

    Now: $127.95
    Was: $199.95
    HKP 7" M-LOK Quad Rail   Compatible With: HK 416 HK MR556  
    HKP-17986
    Now: $127.95
    Was: $199.95
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    Now: $127.95
    Was: $199.95
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  • New - H&K HK MR556/MR762 Buttstock Release Lever Insert - HKP-16620 HK MR556, MR762 Buttstock Release Lever Insert
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    HK MR556, MR762 Buttstock Release Lever Insert

    H&K Heckler & Koch

    $26.95
    H&K HK MR556/MR762 Buttstock Release Lever Insert Compatible With: HK MR556 HK MR762
    HKP-16620
    $26.95
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    $26.95
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  • Out Of Stock
    New - H&K HK SL8 Gas Block - HKP-16359 HK SL8 Gas Block

    HK SL8 Gas Block

    H&K Heckler & Koch

    $139.95
    H&K HK SL8 Gas Block
    HKP-16359
    $139.95
    Out Of Stock
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    $139.95
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  • New - H&K UMP (9mm) Magazine Spring - 30 Round - HKP-16563
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    HK UMP Magazine Spring - 9mm - 30 Round

    H&K Heckler & Koch

    $14.95
    H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.
    HKP-16563
    $14.95
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    $14.95
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  • New - H&K USC (.45 ACP) Magazine Follower - HKP-16346 HK USC Magazine Follower - .45 ACP
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    HK USC Magazine Follower - .45 ACP

    H&K Heckler & Koch

    $12.95
    H&K USC (.45 ACP) Magazine Follower New HK German USC 10 Round magazine follower.
    HKP-16346
    $12.95
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    Qty in Cart: 0
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    $12.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Rear Sight Support - HKP-16362 HK UMP, USC, G36, SL8 Rear Sight Support
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    HK UMP, USC, G36, SL8 Rear Sight Support

    H&K Heckler & Koch

    $19.95
    H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Rear Sight Support
    HKP-16362
    $19.95
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    Qty in Cart: 0
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    $19.95
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  • Out Of Stock
    New - HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Fixed Rear Sight Flat Spring - HKP-16635

    HK UMP, USC, SL8, G36 Fixed Rear Sight Flat Spring

    H&K Heckler & Koch

    $8.95
    HK Heckler and Koch Fixed Rear Sight Flat Spring or Leaf Spring for HK G36, HK SL8 and HK USC, HK UMP Compatible With: G36 SL8 USC UMP
    HKP-16635
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • New - H&K MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium - HKP-02451
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    HK MSG90 Locking Roller -4 - 7.96mm Set -Titanium

    H&K Heckler & Koch

    $329.95
    MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium Half moon rollers.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...
    HKP-02451
    $329.95
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    Qty in Cart: 0
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    $329.95
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  • New - H&K PSG1/MSG90 (7.62x51/.308) Ejector Lever - HKP-00537 HK PSG1, MSG90 Ejector Lever
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    HK PSG1, MSG90 Ejector Lever

    H&K Heckler & Koch

    $79.95
    Heckler and Koch Ejector Lever for HK PSG1, MSG90 German-made ejector lever for PSG1 and MSG90 platforms. Direct replacement part built to original factory-spec for reliable extraction and correct bolt head function. Compatible With: PSG1, MSG90
    HKP-00537
    $79.95
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    $79.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 - HKP-00873 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match

    PTR

    $199.95
    PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a...
    HKP-00873
    $199.95
    Out Of Stock
    Qty in Cart: 0
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    $199.95
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