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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  • Out Of Stock
    On Sale
    HK G36C Gas Piston Rod and Spring - USED H&K Heckler & Koch HKP-00353-USED HK G36C Gas Piston Rod and Spring - USED H&K Heckler & Koch HKP-00353-USED

    HK G36C Gas Piston Rod and Spring - USED

    H&K Heckler & Koch

    Now: $67.46
    Was: $89.95
    HK G36C Gas Piston Rod and Spring - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. A must-have item for HK G36C conversions from G36 to SL8's or for spares for your G36C. New HK German factory...
    HKP-00353-USED
    Now: $67.46
    Was: $89.95
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    Qty in Cart: 0
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    Now: $67.46
    Was: $89.95
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  • A3 Tactical Picatinny Skelestock A3 Tactical Picatinny Skelestock
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    A3 Tactical Picatinny Skelestock

    JMK

    $338.95 - $353.95
    A3 Tactical Picatinny Skelestock The A3 Tactical Skelestocks are fixed-length folding skeleton stocks meticulously machined from 6061 aluminum. An ambidextrous hinge enables it to fold either to the right or left, depending on the mounting...
    HKP-22410-M
    $338.95 - $353.95
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    $338.95 - $353.95
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  • Compact Vertical Foregrip With Hand Stop - Picatinny Compact Vertical Foregrip With Hand Stop - Picatinny
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    Compact Vertical Foregrip With Hand Stop - Picatinny

    JMK

    $98.95
    Compact Vertical Foregrip with Hand stop - Picatinny The JMK Vertical Foregrips are ideally suited for applications with restricted space. All grips are precision-machined from black walnut and complemented by a 6061 aircraft-grade aluminum handstop...
    HKP-22411-M
    $98.95
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    $98.95
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  • On Sale
    Angled Foregrip - M-LOK - Walnut Angled Foregrip - M-LOK - Walnut
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    Angled Foregrip - M-LOK - Walnut

    JMK

    Now: $33.71
    Was: $43.95
    JMK Angled foregrip M-LOK - Walnut JMK's M-LOK covers feature an integrated hand stop to ensure a secure grip during use. They are an excellent choice for pairing with JMK M-LOK Covers, providing your build with a high-quality finish. These covers are...
    HKP-22405-M
    Now: $33.71
    Was: $43.95
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    Now: $33.71
    Was: $43.95
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  • On Sale
    HK416, MR556 CQC Pistol Grip - Walnut HK416, MR556 CQC Pistol Grip - Walnut
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    HK416, MR556 CQC Pistol Grip - Walnut

    JMK

    Now: $59.96
    Was: $78.95
    JMK HK416, MR556 CQC pistol grip - Walnut The CQC pistol grip by JMK is crafted from CNC-machined black walnut. After machining, the grip is dyed to a uniform color and finished with a catalyzed satin seal. These grips are compatible with any firearm...
    HKP-22401-M
    Now: $59.96
    Was: $78.95
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    Now: $59.96
    Was: $78.95
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  • On Sale
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B
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    HK MP5K 40/10 Stock or Brace Adapter - BLEMISHED

    HKP HK Parts

    Now: $84.09
    Was: $113.95
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Easily attach your favorite A2 style stock to your MP5K 40/10 with...
    HKP-21869-B
    Now: $84.09
    Was: $113.95
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    Now: $84.09
    Was: $113.95
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  • HK MR556, MR223 Upper Receiver - BLEMISHED HK MR556, MR223 Upper Receiver - BLEMISHED
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    HK MR556, MR223 Upper Receiver - BLEMISHED

    H&K Heckler & Koch

    $695.95
    HK MR556, MR223 Upper Receiver - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING FORWARD ASSIST AND GAS PISTON COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-16950-BL-B
    $695.95
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    $695.95
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  • HK417, MR762 Handguard - 15" - Tropentarn HK417, MR762 Handguard - 15" - Tropentarn
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    HK417, MR762 Handguard - 15" - Tropentarn

    H&K Heckler & Koch

    $488.95
    Heckler and Koch HK MR762 A4 Complete Handguard - Tropentarn - 15" Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD sling sockets for...
    HKP-99326
    $488.95
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    $488.95
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  • Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S
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    Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22340-M
    $239.95
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    $239.95
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  • On Sale
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B
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    HK91 Handguard - Carbine Length - Keymod - BLEMISHED

    AIM

    Now: $48.95
    Was: $69.95
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sleek streamlined...
    HKP-18178-B
    Now: $48.95
    Was: $69.95
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    Now: $48.95
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  • Strike Industries HK 416/MR556 Cloak Flash Hider Strike Industries HKP-22260 Strike Industries HK 416/MR556 Cloak Flash Hider Strike Industries HKP-22260
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    HK416, MR556 Flash Hider - Cloak - Threaded 1/2x28

    Strike Industries

    $44.95
    Strike Industries HK416/MR556 Cloak Flash Hider - 1/2x28 Strike Industries Cloak flash hider offers a compact, efficient design that disperses gas flow to minimize visible flash, especially in low light. It reduces muzzle flash to preserve night vision,...
    HKP-22260
    $44.95
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    $44.95
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  • On Sale
    New - MKE AP5 Incomplete Flash Hider - HKP-22223 MKE AP5 Incomplete Flash Hider MKE HKP-22223
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    Century Arms AP5 Flash Hider - Incomplete

    MKE

    Now: $37.46
    Was: $79.95
    MKE AP5 Incomplete Flash Hider The MKE AP5 and MKE AP5-P OEM flash hider is an essential spare for anyone needing to replace a broken or damaged flash hider body. With a straightforward process, you can easily remove the locking latch, spring, and pins...
    HKP-22223
    Now: $37.46
    Was: $79.95
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    Now: $37.46
    Was: $79.95
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