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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  • Used - H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED - HKP-19488 HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
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    HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED

    H&K Heckler & Koch

    $89.95
    H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. It will have some nicks but overall this house is in good working condition. For use with SEF style trigger packs. This will not work with...
    HKP-19488
    $89.95
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    $89.95
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  • New - Troy Industries Front Battle Sight - Black - HKP-00031 Battle Sight - Front
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    Battle Sight - Front

    Troy Industries

    $119.95
    Troy Industries Front Battle Sight Durability and dead-on accuracy have made the Troy Industries Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work on a railed front gas block...
    HKP-00031
    $119.95
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    $119.95
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  • New - HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin - HKP-18372 HK G36, SL8 Bolt Head Ejector Pin
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    HK G36, SL8 Bolt Head Ejector Pin

    $6.95
    HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin HK Ejector roll pin for G36, SL8 bolt heads. This item is the pin that holds the ejector & ejector spring in place. A common wear & replacement item and a must have when doing bolt head maintenance...
    HKP-18372
    $6.95
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    $6.95
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  • Out Of Stock
    New - B&T HK G36K (5.56/.223) Quad Rail Handguard - HKP-16895 HK G36K (5.56/.223) Quad Rail Handguard

    HK G36K (5.56/.223) Quad Rail Handguard

    B&T Brugger & Thomet

    $329.95
    Swiss Made B&T Quad-Rail (4 Sided Picatinny Rail) Handguard For HK G36K Aluminum version with rail cover and sling swivel. The B&T offering is the finest railed hand guard available for the HK G36K or SL8 conversions to G36K spec.B&T...
    HKP-16895
    $329.95
    Out Of Stock
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) E Clip For Carry Handle - HKP-00579

    HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223

    H&K Heckler & Koch

    $9.95
    HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.
    HKP-00579
    $9.95
    Out Of Stock
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    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) Magazine Catch - Used - HKP-18693 HK91, G3 Magazine Catch - Used
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    HK91, G3 Magazine Catch - Used

    H&K Heckler & Koch

    $16.95
    G3 Magazine Catch - HK 91, G3, PTR91 -.308/7.62 - USED The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler & Koch Germany. These also have the proper cut in them and do not...
    HKP-18693
    $16.95
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    $16.95
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  • New - H&K 91/G3 (7.62x51/.308) Rear Sight - HKP-00361 HK91, G3 Rear Sight
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    HK91, G3 Rear Sight

    H&K Heckler & Koch

    $28.95
    HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...
    HKP-00361
    $28.95
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    $28.95
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  • Used - H&K German MP5 SEF F/A Trigger Group - USED - HKP-13932 HK MP5 Trigger Group - SEF F/A - USED
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    HK MP5 Trigger Group - SEF F/A - USED

    H&K Heckler & Koch

    $999.95
    H&K German MP5 SEF F/A Trigger Group - USED Used MP5 contoured SEF trigger group that is 100% functional and entirely authentic German HK. This German MP5, 94, or Clone SEF contoured F/A trigger group is complete and ready for seamless installation...
    HKP-13932
    $999.95
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    $999.95
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  • New - HKP MP5, 93/53/33, AR Brace/Stock Adapter - QD Sling Attachment Point - HKP-18788 HK MP5, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point
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    HK MP5, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point

    HKP HK Parts

    $159.95
    HKP MP5, 93/53/33, AR Brace/Stock Adapter - QD Sling Attachment Point Each AR-15 stock/brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct "H" buffer...
    HKP-18788
    $159.95
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    $159.95
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  • On Sale
    Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED
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    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED

    H&K Heckler & Koch

    Now: $44.95
    Was: $84.95
    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-21922-B
    Now: $44.95
    Was: $84.95
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    Now: $44.95
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  • New - H&K HK MR556 A4 Ambi Charging Handle - HKP-21933 HK MR556 A4 Charging Handle - Ambi
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    HK MR556 A4 Charging Handle - Ambi

    H&K Heckler & Koch

    $199.95
    H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards,...
    HKP-21933
    $199.95
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    $199.95
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  • Refurbished - HKP SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished - HKP-21921 HK SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished
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    HK SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished

    HKP HK Parts

    $34.95
    HKP SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished HK steel SEF short axle selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...
    HKP-21921
    $34.95
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    $34.95
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