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 - USA Small Push Pin Replacement Spring - HKP-20368 HK MP5, HK90 Series Push Pin Spring
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    HK MP5, HK90 Series Push Pin Spring

    $1.95
    Replacement Spring for HK style push pin - Small  A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn-out springs that come loose while in...
    HKP-20368
    $1.95
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    $1.95
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  • Out Of Stock
    New - RCM MP5 9mm Full Auto Bolt Carrier - HKP-01188 HK MP5 Bolt Carrier - Full Auto - 9mm

    HK MP5 Bolt Carrier - Full Auto - 9mm

    RCM

    $146.95
    MP5 9mm Full Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. They were machined completely from billet ordnance grade steel...
    HKP-01188
    $146.95
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    $146.95
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  • Used - Rheinmetall 91/G3/MSG90 20 Round Magazine - Aluminum - Used - HKP-21840 HK91, G3,  PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used
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    HK91, G3, PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used

    Rheinmetall

    $12.95
    Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. LAST...
    HKP-21840
    $12.95
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  • HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2 HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2
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    HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2

    HKP HK Parts

    $98.95
    HKP HK MP5, MP5K Aimpoint ACRO P1, P2 Optic Mount  The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness.  Crafted in the US from aircraft grade aluminum and coated in...
    HKP-21229-M
    $98.95
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  • New - HK G36/SL8 (5.56/.223) Barrel Mandrel - HKP-02608 HK G36, SL8 Barrel Mandrel
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    HK G36, SL8 Barrel Mandrel

    Other

    $109.95
    Barrel Mandrel For Removal and Installation of HK G36 and HK SL8 Barrels A mandrel barrel changing tool for firearms is a specialized rod inserted into the barrel to provide internal support and alignment during the process of removal or installation...
    HKP-02608
    $109.95
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  • New - MKE HK G3/91, AP51 20 Round Translucent Magazine - HKP-21898 HK91, G3, AP51 Magazine - 20 Round - Translucent
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    HK91, G3, AP51 Magazine - 20 Round - Translucent

    MKE

    $25.95
    MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...
    HKP-21898
    $25.95
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    $25.95
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  • New - HKP MP5/K Thread Protector - Threaded 1/2x28 RH - HKP-16883 HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH
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    HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH

    HKP HK Parts

    $14.95
    HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N style barrels, it is the factory-correct protector for...
    HKP-16883
    $14.95
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  • Out Of Stock
    New - H&K HK MP5 & HK MP5K 9mm Dual German Magazine Clamp Bundle - HKP-20492 HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle

    HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle

    H&K Heckler & Koch

    $299.95
    HK German MP5, SP5, MP5K, SP5K 9mm Mag Clamp Bundle Allows the user to clamp 2 MP5 9mm magazines together for quick mag changes.  Perfect for swapping between different types of ammo and faster mag swaps.  Includes: HKP dual-magazine...
    HKP-20492
    $299.95
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  • New - H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - HKP-18163 HK91, G3 Rear Sight Assembly
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    HK91, G3 Rear Sight Assembly

    H&K Heckler & Koch

    $39.95
    HK German G3, 91, PTR Rear Sight Assembly Complete - HK German factory rear sight assembly with all hardware included. We offer the new HK sights at the BEST price in the country. Each set comes complete with all parts and all mounting hardware included...
    HKP-18163
    $39.95
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  • Out Of Stock
    New - USA HK MP5 9mm Ejector Lever - HKP-19660 USA HK MP5 9mm Ejector Lever

    USA HK MP5 9mm Ejector Lever

    PTR

    $34.95
      Ejector Lever - HK MP5, 94 & MP5K, SP-89 - 9mm- USA HK 9mm ejector lever. Fits all of the HK 9mm variants, stamped, formed, heat treated, secondary machined & hardened. This USA made ejector is patterned after the latest generation German...
    HKP-19660
    $34.95
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  • New - H&K HK MR556/MR762/416/417 Battle Grip w/ Storage - Black - HKP-00033 HK416, MR556, HK417, MR762 Pistol Grip with Storage - Black
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    HK416, MR556, HK417, MR762 Pistol Grip with Storage - Black

    H&K Heckler & Koch

    $49.95
    Heckler and Koch's Pistol Grip with Storage for HK416, HK MR556, HK417, HK MR762 New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15 and M-16 lower receivers as well. It has a superior fit and feel to...
    HKP-00033
    $49.95
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    $49.95
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  • New - HKP HK91, G3, PTR Dual Magazine Clamp - HKP-19634 HK91, G3, PTR Dual Magazine Clamp
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    HK91, G3, PTR Dual Magazine Clamp

    HKP HK Parts

    $29.95
    HK91, G3, PTR - .308/762 Dual Mag Clamp The HK91, G3 magazine grip or dual magazine clamp.  Holds two magazines together for ease of use and easy access to 2 magazines. Half the weight of the factory mag clamp. HK Parts highly recommends this mag...
    HKP-19634
    $29.95
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