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 G28 Buffer Tube - Black - HKP-16741 HK G28 Buffer Tube
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    HK G28 Buffer Tube

    H&K Heckler & Koch

    $224.99
    HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.
    HKP-16741
    $224.99
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  • New - HKP HK MR556/MR762/416/AR-15 Titanium Take Down Pin Set - HKP-17936
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    HK416, MR556, MR762, AR-15 Take Down Pin Set - Titanium

    HKP HK Parts

    $29.95
    AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...
    HKP-17936
    $29.95
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  • New - H&K G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-01858
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    HK MP7, G36 Firing Pin Bolt O-Ring

    H&K Heckler & Koch

    $9.95
    HK G36 & MP7 Firing Pin - Bolt O-Ring   Compatible With: HK G36 HK MP7  
    HKP-01858
    $9.95
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    $9.95
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  • New - RCM MP5 40/10 High Impulse Locking Piece #25 - HKP-15149
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    HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm - USA

    RCM

    $44.95
    MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25 Made in the US from an enhanced material and heat treated to factory specifications. Each US-made MP5 40/10 60-Degree Locking Piece is used for high-impulse ammo commonly found in...
    HKP-15149
    $44.95
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  • New - H&K MP5F & MP5 40,10 Cocking Support Handle Spring - HKP-00426
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    HK MP5F, MP5 Compression Spring - Cocking Lever Support

    H&K Heckler & Koch

    $9.95
    H&K MP5F & MP5 40,10 Cocking Support Handle Spring One of these springs is required for use with the cocking handle/support assembly. You need the following - MP5 40 cocking tube support, MP5 40 cocking handle, and the cocking handle spring to...
    HKP-00426
    $9.95
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    $9.95
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  • New - Left Side Ambidextrous Selector Lever FBI - 0,1 - HKP-00121 Left Side Ambidextrous Selector Lever FBI - 0,1
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    Left Side Ambidextrous Selector Lever FBI - 0,1

    H&K Heckler & Koch

    $124.99
    Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.
    HKP-00121
    $124.99
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
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    $19.95
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  • HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls
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    HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls

    AS Designs

    $689.95
    HK416, MR556 A4 3-Position ARC-Fire with Geissele*** Trigger and Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers.  The trigger is reset immediately after each shot, resulting in...
    HKP-22435
    $689.95
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    $689.95
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  • On Sale
    MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256 MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256
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    HK MP5, AP5 Front Sight Tower Complete

    MKE

    Now: $34.95
    Was: $54.95
    MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...
    HKP-22256
    Now: $34.95
    Was: $54.95
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    Now: $34.95
    Was: $54.95
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  • Out Of Stock
    New - H&K MR556/MR762/416/417 A4 Battle Grip - Black - HKP-22028 HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    H&K Heckler & Koch

    $16.95
    H&K MR556/MR762/416/417 A4 Battle Grip - Black Factory H&K battle grip in black. Compatible With: MR556 A1/A4 HK416 HK MR762 A1/A4 HK 417 HK M27 HK G28 AR-15, M4, & M16 Platforms
    HKP-22028
    $16.95
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    $16.95
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  • New - H&K MR762/417 Magazine - 5 Round - HKP-22013 HK417, MR762 Magazine - 5 Round
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    HK417, MR762 Magazine - 5 Round

    H&K Heckler & Koch

    $78.95
    H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417.  Compatible With: MR762 HK417
    HKP-22013
    $78.95
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  • New - H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin - HKP-21746 HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin
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    HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin

    H&K Heckler & Koch

    $18.95
    H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin This genuine H&K cocking handle pivot pin allows smooth operation of the charging handle assembly. While the nipple on the 21E pin is slightly shorter than the 33 pin, it remains fully...
    HKP-21746
    $18.95
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    $18.95
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