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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  • On Sale
    New - HKP 30 Round HK UMP 9mm Magazine - FDE - HKP-20481 HKP 30 Round HK UMP 9mm Magazine - FDE
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    HKP 30 Round HK UMP 9mm Magazine - FDE

    HKP HK Parts

    Now: $24.95
    Was: $49.95
    HK UMP 9mm magazine - FDE THIS SHADE OF FDE HAS BEEN DISCONTINUED.  STOCK UP AT HALF PRICE BEFORE THEY ARE SOLD OUT FOR GOOD. UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30-round magazine capacity. Each...
    Now: $24.95
    Was: $49.95
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    Was: $49.95
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  • New - HKP, H&K 19 Round HK Mark 23 / USP .45 ACP Complete Magazine - Black - HKP-21586 HKP, HK 19 Round HK Mark 23 / USP .45 ACP Complete Magazine
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    HKP, HK 19 Round HK Mark 23 / USP .45 ACP Complete Magazine

    HKP HK Parts / Heckler & Koch

    $109.95
    Magazine Extension Complete - 19 Round - HK Mark 23/USP .45 Designed specifically for the Mark 23 and USP .45—perfect for those who want extra firepower at the range. Each magazine comes fully assembled and ready for immediate use. We expertly take...
    $109.95
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  • Out Of Stock
    New - H&K HK MR556/416 E1 Charging Handle - Ambidextrous - HKP-01959

    HK416 E1, MR556 Charging Handle - Ambidextrous

    H&K Heckler & Koch

    $129.95
    H&K HK MR556/416 E1 Charging Handle - Ambidextrous HK's design boasts a smooth & easy to release latch with an enhanced oversized charging handle.  Compatible With: HK MR556 HK 416 Other AR15, M4 & M16 applications
    $129.95
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  • New - HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only - HKP-17238 HK MP5, HK94 Trigger Group - 9mm - 2 Position Navy Housing 0,1 - Safe, Semi Only
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    HK MP5, HK94 Trigger Group - 9mm - 2 Position Navy Housing 0,1 - Safe, Semi Only

    HKP HK Parts / Heckler & Koch

    $649.95
    HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only A lower cost alternative to the hard-to-find German HK FBI or 0,1 ambidextrous trigger groups. Now, for the first time, we have the popular ambidextrous trigger group...
    $649.95
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  • New - B&T MP5, HK53 Tri-Rail Handguard - HKP-16885 MP5, HK53 Handguard - Tri-Rail
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    MP5, HK53 Handguard - Tri-Rail

    B&T Brugger & Thomet

    $275.00
    B&T MP5, HK53 Tri-Rail Handguard The B&T handguard 3x NAR is a modular forend system designed for the HK MP5 submachine gun. It offers a versatile and customizable mounting platform for various accessories such as lights, lasers, and grips. The...
    $275.00
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    $275.00
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  • New - PTR Universal Windage Adjustment Knob For Rear Sight - HKP-01444 PTR Universal Windage Adjustment Knob For Rear Sight
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    PTR Universal Windage Adjustment Knob For Rear Sight

    PTR

    $9.95
    HK 90 Series Hand Windage Adjustment Knob For Rear Sights Steel windage screw that allows you to adjust the windage for the rear sights with a quick and easy adjustment without the use of a screwdriver as found on the factory rear sight screws. Perfect...
    $9.95
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  • New - H&K HK21 (7.62x51/.308) Recoil Spring - HKP-00238
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    HK21 Recoil Spring

    H&K Heckler & Koch

    $79.95
    H&K HK21 (7.62x51/.308) Recoil Spring New HK Factory HK21 triple braided recoil spring.  Compatible with early HK21's manufactured by HK and FMP.  The 21E requires a different spring.  
    $79.95
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  • Used - H&K 90 Series Trigger-Used - HKP-17920
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    HK90 Series Trigger - Used

    H&K Heckler & Koch

    $14.95
    H&K 90 Series Trigger-Used German 90 series surplus trigger in used condition taken from demilled HK German G3 firearms. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    $14.95
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  • On Sale
    New - H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED - HKP-16254-B HK33, HK53, HK93 Backplate - Painted - BLEMISHED
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    HK33, HK53, HK93 Backplate - Painted - BLEMISHED

    H&K Heckler & Koch

    Now: $39.95
    Was: $59.95
    H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German backplate with the recoil assembly cup...
    Now: $39.95
    Was: $59.95
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    Now: $39.95
    Was: $59.95
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  • New - HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block - B Pin Style - HKP-00773 HK UMP, USC Stock Block - B Pin Style
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    HK UMP, USC Stock Block - B Pin Style

    HDPS

    $209.95
    New Latest Production HDPS HK USC/UMP Stock Block -B Pin Style For use with all HK UMP factory or US-made folding stocks. Each unit comes with a new push-pin design. This is a required part of the HK USC-UMP style conversion. Each part is the latest...
    $209.95
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  • New - HDPS HK UMP/USC (.45 ACP) Flanged Barrel - 8" - HKP-02130
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    HK UMP, USC Barrel - Flanged - .45 ACP - 8"

    HDPS

    $329.95
    HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel.  Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts as 1 of the 3...
    $329.95
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  • New - H&K 91/G3 (7.62x51/.308) Chamber Flute Brush - HKP-00500
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    HK91, G3 Barrel Chamber Flute Cleaning Brush

    H&K Heckler & Koch

    $25.95
    HK German .308/7.62mm Chamber Flute Brush- New This brush is a must-have for cleaning the chamber flutes on a G3/91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render your HK firearm useless, until...
    $25.95
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    $25.95
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