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 - Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf - HKP-20483 HK MP5 LS5 Trigger Group, Complete - Flat Trigger - Semi shelf
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    HK MP5 LS5 Trigger Group, Complete - Flat Trigger - Semi shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 - Flat Trigger Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...
    HKP-20483
    $549.95
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    $549.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Group Fork - HKP-01859
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    HK G36, SL8 Bolt Group Fork - Heckler and Koch

    H&K Heckler & Koch

    $12.95
    HK G36 & SL8 Bolt Group Fork For Cocking Handle  
    HKP-01859
    $12.95
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    $12.95
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  • New - H&K G36 (5.56/.223) 30 Round Magazine - FDE - HKP-18595 HK G36 Magazine - 30 Round - FDE
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    HK G36 Magazine - 30 Round - FDE

    H&K Heckler & Koch

    $119.95
    HK German G36 30 Round Magazine New HK German 30 round magazine fits all G36, G36K, G36C variants & converted SL8's with the G36 magwell. New Heckler & Koch German mag. Factory fresh latest HK manufacture. Compatible With: G36, G36K, G36C SL8...
    HKP-18595
    $119.95
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    $119.95
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  • New - HKP (5.56/.223) Bore Cleaning Brush - HKP-03331
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    Barrel Bore Cleaning Brush - 5.56 / .223

    HKP HK Parts

    $1.95
    Bore Cleaning Brush For .223/556 Calibers  
    HKP-03331
    $1.95
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    $1.95
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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED HK91, G3, PTR Magazine - 20 Round - Date Coded - USED
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    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED

    H&K Heckler & Koch

    Now: $24.95
    Was: $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German HK 20...
    HKP-99439-M
    Now: $24.95
    Was: $34.95
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    Now: $24.95
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  • Out Of Stock
    New - H&K 416 Folding Front Sight - Complete - HKP-22022 HK416 Folding Front Sight - Complete

    HK416 Folding Front Sight - Complete

    H&K Heckler & Koch

    $187.95
    H&K 416 Folding Front Sight - Complete Factory H&K folding front sight for the HK416 with a 33mm sighting line. Compatible With: HK MR556 HK416    
    HKP-22022
    $187.95
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    $187.95
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  • Out Of Stock
    New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO

    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible...
    HKP-21728
    $115.00
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    $115.00
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  • New - HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28 - HKP-21342 HK416, MR556, G36 A5 Flash Hider - Threaded 1/2x28
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    HK416, MR556, G36 A5 Flash Hider - Threaded 1/2x28

    HKP HK Parts

    $59.95
    HKP (5.56/.223) HK 416C A5 Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and melonited (nitride process) for maximum longevity. Machined correctly to reduce tuning fork noise for a more pleasant time at the range. This is...
    HKP-21342
    $59.95
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    $59.95
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  • New - USA HK UMP Left Hammer Spring - HKP-20840 HK UMP Hammer Spring - Left
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    HK UMP Hammer Spring - Left

    USA

    $9.95
    USA HK UMP Left Hammer Spring New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With:  HK UMP models 45, .40 & 9mm USC .45 and other...
    HKP-20840
    $9.95
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    $9.95
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  • Used - H&K 30 Round HK MP5 40/10 Magazine - Gray - Used - HKP-01726 HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used
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    HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used

    H&K Heckler & Koch

    $159.95
    H&K Heckler & Koch 30 Round Magazine for HK MP5 .40/10mm  - Gray - USED These magazines are no longer available, and we have just a few remaining units.  Once they are gone, they are gone for good. These magazines are USED and are...
    HKP-01726
    $159.95
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    $159.95
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  • New - HKP HK USC, HK UMP Cocking Handle Assembly - HKP-19155
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    HK USC, UMP Cocking Handle Assembly - Complete

    HKP HK Parts

    $149.95
    HKP Cocking Handle Assembly for HK USC, UMP Complete cocking handle assembly for HK USC and HK UMP platforms. US-made and built to factory-spec dimensions and includes all required components for proper function and replacement. Includes: Steel cocking...
    HKP-19155
    $149.95
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    $149.95
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  • Used - H&K HK SL8 Complete Rear Sight - HKP-16354 HK SL8 Complete Rear Sight
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    HK SL8 Complete Rear Sight

    H&K Heckler & Koch

    $99.95
    H&K HK SL8 Complete Rear Sight This item can be used on other applications as well as the SL8, G36 models.
    HKP-16354
    $99.95
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    $99.95
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