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 - H&K HK MR762/417 Picatinny Quad Rail Handguard Complete - Black - HKP-16629 HK417, MR762 Handguard - Picatinny Quad Rail - Complete

    HK417, MR762 Handguard - Picatinny Quad Rail - Complete

    H&K Heckler & Koch

    Now: $354.56
    Was: $393.95
    H&K HK MR762/417 Picatinny Quad Rail Handguard Complete Factory HK German MR762, HK 417 Handguard with mounting screws. Compatible With: HK MR762 HK 417 .308 HK MR 762 models
    Now: $354.56
    Was: $393.95
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    New - H&K HK MR556/416 Ejector Retaining Pin - HKP-00053
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    HK416, MR556 Pin - Retaining - Ejector

    H&K Heckler & Koch

    Now: $6.25
    Was: $6.95
    H&K HK MR556/416 Ejector Retaining Pin This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part. Compatible With: HK MR556 HK 416
    Now: $6.25
    Was: $6.95
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    New - H&K 91/G3 (7.62x51/.308) - 15 Round Magazine - HKP-17006 HK91, G3 - 15 Round Magazine

    HK91, G3 - 15 Round Magazine

    H&K Heckler & Koch

    Now: $53.96
    Was: $59.95
    HK G3 & HK 91, PTR91 - 15 Round Magazine The HK G3, 91 ,PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine...
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    New - PTR Standard Stock Buttpad - HKP-00375 PTR Standard Stock Buttpad

    PTR Standard Stock Buttpad

    PTR

    Now: $35.96
    Was: $39.95
    HK U.S. Made Standard Stock Butt pad Perfect for A2 fixed stocks. This item is hard rubber and softer than a factory standard butt pad - that is hard plastic only and prone to cracking. Super durable and better than factory HK. This is the perfect...
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    New - H&K 93/53/33 (5.56/.223) 25 Round Magazine Spring - HKP-00483

    HK33, HK53, HK93 Magazine Spring - 25 Round

    H&K Heckler & Koch

    Now: $10.75
    Was: $11.95
    HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.
    Now: $10.75
    Was: $11.95
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    New - HKP MP5 40/10 Bolt Hold Open Axle Rod & Pin Combo - HKP-17405 HK MP5 Axle Rod and Pin Combo - Bolt Hold Open - 10mm / .40 S&W
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    HK MP5 Axle Rod and Pin Combo - Bolt Hold Open - 10mm / .40 S&W

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...
    Now: $39.96
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    New - Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 - HKP-16908 Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 Magpul HKP-16908
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    M3 Magazine - PMAG - 7.62x51 / .308 - 25 Round

    Magpul

    Now: $22.45
    Was: $24.95
    Magpul PMAG 25-LR 25-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 25LR is a cost effective high reliability magazine for SR25/M110 pattern rifles featuring true 25-round capacity, constant-curve body, and snap on Impact/Dust Cover. Designed...
    Now: $22.45
    Was: $24.95
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    New - HKP HK MP5/SP5 Raised MRO Optic Mount - HKP-21891 HK MP5, SP5 Optic Mount - Raised - Trijicon MRO
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    HK MP5, SP5 Optic Mount - Raised - Trijicon MRO

    HKP HK Parts

    Now: $94.47
    Was: $134.95
    HKP HK MP5/SP5 Raised Trijicon MRO Optic Mount The HKP Raised MRO Optic Mount was designed to give the shooter full view of both the MRO and the factory sights. The MRO mounting base is elevated enough to give an unobstructed view through the factory...
    Now: $94.47
    Was: $134.95
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    New - HKP Torx Binary Upgrade Screw Set - HKP-21816
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    HK Torx Screw Set for Binary Selector Lever - Upgrade

    HKP HK Parts

    Now: $2.36
    Was: $2.95
    HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.
    Now: $2.36
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    New - HKP HK 416 11.5" 5.56 Complete Upper Receiver Assembly - HKP-21539 HK416 Upper Receiver Kit - 11.5" - 5.56

    HK416 Upper Receiver Kit - 11.5" - 5.56

    HKP HK Parts

    Now: $1,988.76
    Was: $2,485.95
    HKP HK 416 11.5" 5.56 Complete Upper Kit Complete This top-tier assembly seamlessly fits onto your mil-spec lower or an STS 416 lower, providing the perfect solution for those seeking an 11.5" 416 style upper without breaking the bank. Each unit is...
    Now: $1,988.76
    Was: $2,485.95
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    New - HKP HK UMP G36 Curved Trigger - HKP-21126-M HK UMP, USC Curved Trigger
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    HK UMP, USC Curved Trigger

    HKP HK Parts

    Now: $79.96
    Was: $99.95
    HKP HK UMP & USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for a far superior grip. Each trigger counts as one US-made...
    Now: $79.96
    Was: $99.95
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    New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange - HKP-21101 HK MP5 Sight - Flat Front - Gen 2 - Orange
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    HK MP5 Sight - Flat Front - Gen 2 - Orange

    Blitzkrieg Components

    Now: $76.45
    Was: $84.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a new level of precision and visibility. With a conventional flat-tipped post and a bright orange stripe, this sight ensures quick and clear target...
    Now: $76.45
    Was: $84.95
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