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 - USA HK G36, HK SL8 Magazine Paddle Release - HKP-18222 USA HK G36, HK SL8 Magazine Paddle Release
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    USA HK G36, HK SL8 Magazine Paddle Release

    USA

    Now: $16.16
    Was: $17.95
    US HK G36 & SL8 Magazine Paddle Release HK G36 Mag Release or mag catch.  Compatible With: HK SL8 HK G36 HK G36K HK G36C
    Now: $16.16
    Was: $17.95
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    Now: $16.16
    Was: $17.95
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  • On Sale
    New - H&K HK G36C Gas Piston Rod Spring Assembly - Black - HKP-00353 HK G36C Gas Piston Rod and Spring
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    HK G36C Gas Piston Rod and Spring

    H&K Heckler & Koch

    Now: $80.95
    Was: $89.95
    HK German G36C Gas Piston Rod & Spring Assembly - Complete A must-have item for HK G36C conversions from G36 to SL8's or for spares for your G36C. New HK German factory OEM part. A high wear and replacement part and a must-have for spare parts.
    Now: $80.95
    Was: $89.95
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  • On Sale
    New - Streamlight TLR-4 Tactical Light & Laser Combo - Red - HKP-08538 Streamlight TLR-4 Tactical Light & Laser Combo - Red
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    Streamlight TLR-4 Tactical Light & Laser Combo - Red

    Streamlight

    Now: $179.95
    Was: $199.95
    Streamlight TLR-4 Tactical Light & Laser Combo - Red Features: Features C4 LED technology and a 640-660nm red laser 5300-candela peak beam intensity; 170 lumens Runs 1.5 hours to the 10% output level (LED only or LED and laser); 11 hours...
    Now: $179.95
    Was: $199.95
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    Now: $179.95
    Was: $199.95
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  • Out Of Stock
    On Sale
    New - HKP 416 10.4" 5.56 Complete Upper Receiver Assembly - HKP-17662 HK416 Upper Receiver Kit - 10.4" - 5.56

    HK416 Upper Receiver Kit - 10.4" - 5.56

    HKP HK Parts

    Now: $1,988.76
    Was: $2,485.95
    HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...
    Now: $1,988.76
    Was: $2,485.95
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    Now: $1,988.76
    Was: $2,485.95
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  • On Sale
    New - H&K HK MR556/416 Bolt Carrier - HKP-02718 HK416, MR556 Bolt Carrier
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    HK416, MR556 Bolt Carrier

    H&K Heckler & Koch

    Now: $358.15
    Was: $397.95
    H&K HK MR556/416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key  This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556...
    Now: $358.15
    Was: $397.95
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    Now: $358.15
    Was: $397.95
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  • Out Of Stock
    On Sale
    New - H&K HK MR556/MR762/416/417 Carrying Sling - FDE - HKP-18491 HK416, HK417, MR556, MR762 Carrying Sling - FDE

    HK416, HK417, MR556, MR762 Carrying Sling - FDE

    H&K Heckler & Koch

    Now: $152.95
    Was: $169.95
    H&K HK MR556/MR762/416/417 Carrying Sling - FDE Compatible With: HK 416 HK MR556 HK CR556 HK MR762 HK 417 HK G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on...
    Now: $152.95
    Was: $169.95
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  • On Sale
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling - HKP-00613 HK UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling
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    HK UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling

    H&K Heckler & Koch

    Now: $59.36
    Was: $65.95
    HK USC & UMP Factory German Tactical Sling -Black 
    Now: $59.36
    Was: $65.95
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    Was: $65.95
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  • Out Of Stock
    On Sale
    New - HK G3K Cocking Tube - HKP-01462 HK G3K Cocking Tube

    HK G3K Cocking Tube

    Now: $80.95
    Was: $89.95
    G3 Cocking Tube For PTR 91K Or G3K Projects - New Perfect for that custom HK build. These are made by PTR to the correct specifications. We do not use cut-down or Pakistani materials, we only use the best US and German hardware. Compatible With: HK G3K...
    Now: $80.95
    Was: $89.95
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  • On Sale
    New - MP5K, SP5K Rear Sight - Genuine HK German - HKP-01235 MP5K, SP5K Rear Sight - Genuine HK German
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    MP5K, SP5K Rear Sight - Genuine HK German

    Now: $125.95
    Was: $139.95
    New HK German MP5K/SP5K Rear Sight Drum & Base Complete Factory German HK SP5K, SP89, and MP5K factory OEM rear sight.
    Now: $125.95
    Was: $139.95
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  • On Sale
    New - H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group - HKP-16725
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    HK MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group

    H&K Heckler & Koch

    Now: $1,799.96
    Was: $1,999.95
    H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto...
    Now: $1,799.96
    Was: $1,999.95
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  • On Sale
    New - B&T MP5, MP5K Low Mount For Trijicon ACOG - HKP-17284
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    HK MP5, MP5K Optic Mount - Low Profile - Trijicon ACOG

    B&T Brugger & Thomet

    Now: $152.95
    Was: $169.95
    B&T Mounting Rail NAR for HK MP5 & MP5K with Trijicon ACOG Specifications: Color: Black Height max: 31.5 mm Length max: 84 mm Material: Aluminum Treatment: Hardcoat anodized Weight: 88 g Width max: 40 mm Compatible With: HK MP5 & SP5 HK...
    Now: $152.95
    Was: $169.95
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  • On Sale
    New - H&K Cocking Tube End Cap Detent - HKP-18050
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    HK End Cap - Detent - Cocking Tube

    H&K Heckler & Koch

    Now: $4.46
    Was: $4.95
    HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.
    Now: $4.46
    Was: $4.95
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    Now: $4.46
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