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 - HK Parts MP5SD 9mm Barrel - Threaded 18x1 - HKP-17755 HK MP5SD Barrel - 9mm - Threaded 18x1

    HK MP5SD Barrel - 9mm - Threaded 18x1

    HKP HK Parts

    $169.95
    HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...
    HKP-17755
    $169.95
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  • Used - H&K MP5 Rear Receiver Section - HKP-02167
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    HK MP5 Rear Receiver Section

    H&K Heckler & Koch

    $14.95
    H&K MP5 Rear Receiver Section HK German demilled receiver section with rear sight base as installed at the factory. MP5 & HK94 Factory HK rear sight bases (portion welded to MP5 receiver), you get the actual demilled section of an MP5 receiver...
    HKP-02167
    $14.95
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  • New - H&K MP5 & SP5 A1 End Cap With Sling Swivel - HKP-00114 HK MP5, SP5 A1 Sling Swivel End Cap
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    HK MP5, SP5 A1 Sling Swivel End Cap

    H&K Heckler & Koch

    $139.99
    HK German MP5 & SP5 A1 End Cap With Sling Swivel The MP5 end cap allows the user to add a single-point sling. Perfect for a pistol build or a lower profile setup. Made by HK Germany.  Compatible With: HK MP5 HK SP5 HK94 MP5 clones and other...
    HKP-00114
    $139.99
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  • New - H&K Trigger Pack Housing - Semi 0,1 - HKP-02177
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    HK Trigger Pack Housing - Semi-Auto 0,1

    H&K Heckler & Koch

    $129.95
    H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...
    HKP-02177
    $129.95
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  • HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls
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    HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls

    AS Designs / Geissele

    $689.95
    AS Design HK416 and MR556 V2 ARC-Fire Trigger with Geissele*** Trigger, 416 Selectors, and 0-90-180, 0-45-90, and 0-45-180 Position Options AS Designs’ ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset trigger technology...
    HKP-22803-M
    $689.95
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  • HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style
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    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style

    MFI

    $167.95
    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style MFI replicated the classic MP5SD suppressor appearance. Designed to fit any factory spec 3-lug barrel and a perfect match with the HKP MP5 SD-style handguard conversion. This combination delivers the...
    HKP-22440
    $167.95
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  • ACR Folding Stock - Telescopic 7 Position - Picatinny Rail ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
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    ACR Folding Stock - Telescopic 7 Position - Picatinny Rail

    F5 MFG

    $249.95
    F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...
    HKP-22280-M
    $249.95
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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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  • 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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