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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  • HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS
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    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - ETS

    MKE

    $69.99 - $129.95
    MKE AP5, HK MP5 ETS-Style Contoured Trigger Housing This contoured trigger housing is manufactured by MKE for MP5 and AP5 pattern firearms and features an ETS selector configuration. Designed for 9mm platforms, it provides proper ergonomics and...
    HKP-22496-M
    $69.99 - $129.95
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  • Flat Bending Jig Set For All HK Style Flats - RENTAL HKP HK Parts HKP-19595-RENTAL HK Receiver Flat Bending Set Jig - RENTAL
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    HK Receiver Flat Bending Set Jig - RENTAL

    HKP HK Parts

    $99.95
    Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats.  Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...
    HKP-19595-RENTAL
    $99.95
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  • New - HKP HK MP5/K Aimpoint ACRO Picatinny Sight Mount - HKP-22067 HK MP5, MP5K Optic Mount, ACRO P-1, P-2 - Picatinny
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    HK MP5, MP5K Optic Mount, ACRO P-1, P-2 - Picatinny

    HKP HK Parts

    $98.95
    HKP HK MP5, MP5K Aimpoint ACRO Picatinny Sight Mount The HKP Aimpoint ACRO Picatinny mount is a rugged, low-profile solution for mounting your ACRO red dot sight. Designed to fit any firearm with a Picatinny rail. It ensures a secure fit, optimal sight...
    HKP-22067
    $98.95
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  • On Sale
    Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - USED - BLEMISHED - HKP-00717-B HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED
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    HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $7.95
    Was: $15.95
    Heckler and Koch Flash Hider for (7.62/.308) & (5.56/.223) - 15x1 RH - USED - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used surplus HK German...
    HKP-00717-B
    Now: $7.95
    Was: $15.95
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    Now: $7.95
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  • Used - H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly - Threaded - HKP-21647 HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted
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    HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted

    H&K Heckler & Koch

    $54.95
    H&K HK91/G3 PTR & Recoil Rod Assembly-Backplate-Painted Our German HK backplate has been expertly refinished and Painted for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly replace worn...
    HKP-21647
    $54.95
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  • B&T 1/2x28 Direct Thread to Hub Adapter B&T 1/2x28 Direct Thread to Hub Adapter
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    B&T 1/2x28 Direct Thread to Hub Adapter

    B&T Brugger & Thomet

    $89.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5K HK MR556 HK UMP 9mm B&T APC223, SPC223 B&T APC9K B&T GMH9...
    HKP-21506
    $89.95
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  • New - MKE V51 VFI Telescopic Stock - HKP-21469 Vector Arms V51 Telescopic Stock
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    Vector Arms V51 Telescopic Stock

    MKE

    $549.95
    MKE V51 A3 Telescopic Stock:  Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile, heat-treated collapsing rod insert for longevity...
    HKP-21469
    $549.95
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  • New - H&K HK G3 Recoil Rod - Demilled - HKP-21298
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    HK G3 Recoil Rod - Demilled

    H&K Heckler & Koch

    $18.54
    H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds. 
    HKP-21298
    $18.54
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  • Out Of Stock
    Used - H&K HK UMP .40 - 30 Round Magazine - Used - HKP-20816 HK UMP .40 - 30 Round Magazine - Used

    HK UMP .40 - 30 Round Magazine - Used

    H&K Heckler & Koch

    $49.95
    30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-20816
    $49.95
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  • Out Of Stock
    Used - KDG HK MR762, HK417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204 Angled view of HK enhanced mag release with extended shaft and textured paddle for improved grip and control

    HK417, MR762, G28 Magazine Release - Ambidextrous

    KDG Kinetic Development Group

    $169.95
    KDG Kinetic Development Group Ambi Magazine Release for HK417, HK MR762, and HK G28 The HK 7.62 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK417 variant rifles.  The mag release is a lever instead...
    HKP-19204
    $169.95
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  • New - H&K HK MP5/91/93/53/33/G3 Sear/Catch - HKP-01459
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    HK91, G3, MP5 Sear Catch - Steel - New Build

    H&K Heckler & Koch

    $69.95
    Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...
    HKP-01459
    $69.95
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  • New - Timney Triggers HK91/G3 .308 2-Stage Trigger - Complete - HKP-20513-CP HK91, G3 2-Stage Trigger Group - Complete
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    HK91, G3 2-Stage Trigger Group - Complete

    Timney Triggers

    $478.95
    Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in your receiver. Set up with a German ejector lever, new SEF selector lever, and a brand new factory German housing for the best trigger group available...
    HKP-20513-CP
    $478.95
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    $478.95
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