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
    New - H&K G36 (5.56/.223) Catch, Trip Lever - HKP-01870 HK G36 Catch

    HK G36 Catch

    H&K Heckler & Koch

    $14.95
    Heckler and Koch HK G36 Catch, Trip Lever for bolt catch contact on All G36 Lowers   As the bolt carrier moves forward the bottom of the carrier contacts the releaser lever of the catch. The catch releases the hammer, and the hammer begins to fall...
    HKP-01870
    $14.95
    Out Of Stock
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    $14.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Index Plate - HKP-01860
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    HK UMP, USC, G36, SL8 Index Plate

    H&K Heckler & Koch

    $9.95
    HK Index Plate For All UMP, USC, G36, & SL8 Lowers Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-01860
    $9.95
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    $9.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine - HKP-00607 HK UMP Magazine - 30 Round - .40 S&W
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    HK UMP Magazine - 30 Round - .40 S&W

    H&K Heckler & Koch

    $79.95
    HK Heckler and Koch German .40 S&W 30 Round Factory Magazine for HK UMP New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-00607
    $79.95
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  • New - HKP HK UMP (9mm ) 15 Round Magazine - HKP-17849 HK UMP 9mm  15 Round Magazine
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    HK UMP 9mm 15 Round Magazine

    HKP HK Parts

    $49.95
    UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...
    HKP-17849
    $49.95
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  • New - HKP MP5, HK94 Cocking Tube - For Lefties - HKP-17380 HK MP5, HK94 Cocking Tube - LH
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    HK MP5, HK94 Cocking Tube - LH

    HKP HK Parts

    $119.95
    HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging handle clamping pin access hole as found on the latest...
    HKP-17380
    $119.95
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  • Out Of Stock
    New - HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad - HKP-17800 HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad HKP HK Parts HKP-17800

    HK416, MR556, AR-15 PDWC Stock - Extended Buttpad

    HKP HK Parts

    $0.00
    HK 416C Style With Extended Buttpad - PDW Stock For AR15, MR556, HK416 & M4 Models The first PDW style stock that does NOT require a proprietary bolt carrier or special components. A true drop-in PDW stock solution for your HK 416C or AR/M4 PDW...
    HKP-17800
    $0.00
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  • Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    HK G3 A2 Adjustable Stock Extension

    USA

    $69.95
    HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...
    HKP-00872
    $69.95
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  • On Sale
    HK MP5, SP5 Trigger Housing - 0,1,F Pictogram - Clipped and Pinned - Cerakote - BLEMISHED HK MP5, SP5 Trigger Housing - 0,1,F Pictogram - Clipped and Pinned - Cerakote - BLEMISHED
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    HK MP5, SP5 Trigger Housing - 0,1,F Pictogram - Clipped and Pinned - Cerakote - BLEMISHED

    H&K Heckler & Koch

    Now: $219.95
    Was: $299.95
    Heckler and Koch HK MP5, SP5 0,1,F Pictogram Trigger Housing - Clipped and Pinned - Cerakote - BLEMISHED POOR FINISH COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-99411-M
    Now: $219.95
    Was: $299.95
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    Now: $219.95
    Was: $299.95
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  • HK MP5, AP5 Cocking Handle HK MP5, AP5 Cocking Handle
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    HK MP5, AP5 Cocking Handle

    MKE

    $17.95
    HK MP5 and AP5 Cocking Handle Factory OEM Replacement Factory OEM replacement AP5 cocking handle as found on MKE/Century AP5 models.Compatible With: HK MP5, MP5K, SP89, MP5SD HK SP5, SP5K, SP5-PDW, SP5L Century AP5, AP5-P, AP5-M In-spec clones...
    HKP-22475
    $17.95
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    $17.95
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  • F5 HK MP5 ACR Stock - Picatinny Mount F5 MFG HKP-22350-M HK MP5, SP5 ACR Folding Stock With Adapter - Picatinny
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    HK MP5, SP5 ACR Folding Stock With Adapter - Picatinny

    F5 MFG

    $314.95
    F5 HK MP5/SP5 ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their MP5 and other platforms.  This drop-in ready assembly attaches with the MP5's...
    HKP-22350-M
    $314.95
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  • On Sale
    New - MKE Roller Retainer Plate for Rollers - HKP-22235 MKE Roller Retainer Plate for Rollers MKE HKP-22235
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    HK MP5, 90 Series Holder Plate for Locking Rollers

    MKE

    Now: $24.95
    Was: $29.95
    MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...
    HKP-22235
    Now: $24.95
    Was: $29.95
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    Now: $24.95
    Was: $29.95
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  • On Sale
    Used - HK G3 .22 20 Round Conversion Magazine - BLEMISHED - HKP-20750-B
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    HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $149.95
    Was: $199.95
    H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...
    HKP-20750-B
    Now: $149.95
    Was: $199.95
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    Now: $149.95
    Was: $199.95
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