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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  • Out Of Stock
    New - H&K MP5K 40/10 3 Position Navy Style Housing - Clipped & Pinned - HKP-15454 HK MP5K Trigger Housing - 3 Position Navy Style - Clipped and Pinned - .40 S&W, 10mm

    HK MP5K Trigger Housing - 3 Position Navy Style - Clipped and Pinned - .40 S&W, 10mm

    H&K Heckler & Koch

    $0.00
    H&K MP5K 40/10 3 Position Navy Style Housing - Clipped & Pinned This lower housing is clipped and pinned for use on a semi-auto receiver shelves. For more information on our clipping and pinning, see our services section. We offer the best...
    HKP-15454
    $0.00
    Out Of Stock
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    $0.00
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  • New - HKP MP5 .40 S&W Pistol Build Kit - HKP-18405 HK MP5 Parts Kit - .40 S&W - Pistol Build
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    HK MP5 Parts Kit - .40 S&W - Pistol Build

    HKP HK Parts

    $1,674.95
    MP5 .40 Pistol Build Kit Complete German & USA Made Parts MP5 .40 parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...
    HKP-18405
    $1,674.95
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    $1,674.95
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  • On Sale
    New - H&K MP5 F Bolt Group Complete - HKP-00953
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    HK MP5F Bolt Group - Complete

    H&K Heckler & Koch

    Now: $2,448.95
    Was: $2,999.95
    H&K MP5 F Bolt Group Complete   The bolt head, bolt carrier, and all F/A-related parts have been restricted by HK and will become increasingly harder to find. The F in the MP5F designation was added after the French Military asked HK to "beef"...
    HKP-00953
    Now: $2,448.95
    Was: $2,999.95
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    Now: $2,448.95
    Was: $2,999.95
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  • On Sale
    New - B&T Tikka 412/512 Mount For Aimpoint - HKP-17432 B&T Tikka 412/512 Mount For Aimpoint B&T Brugger & Thomet HKP-17432
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    Tikka 412, 512 Optic Mount, Aimpoint

    B&T Brugger & Thomet

    Now: $99.95
    Was: $199.95
    B&T TikKa Valmet 412 Scope Mount Specifications: Color: Black Height max: 11 mm Length max: 157 mm Length of top rail: 157 mm Material: Aluminum NATO Accessory Rails: 1 Part number: BT-10178 Treatment: Hardcoat anodized Weight: 78 g Width max: 25 mm
    HKP-17432
    Now: $99.95
    Was: $199.95
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    Now: $99.95
    Was: $199.95
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  • HK G36 Mounting Rail Carry Handle - Portuguese Version HK G36 Mounting Rail Carry Handle - Portuguese Version
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    HK G36 Mounting Rail Carry Handle - Portuguese Version

    B&T Brugger & Thomet

    $149.95
    HK G36 Mounting Rail Carry Handle, Portuguese Version Swiss-made B&T G36 mounting rail designed for the HKG36 carrying handle, based on the Portuguese military configuration. Manufactured by B&T Switzerland this rail delivers exceptional quality...
    HKP-99446
    $149.95
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    $149.95
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  • On Sale
    HK G36 Dual Optic With Carrying Handle - USED HK G36 Dual Optic With Carrying Handle - USED
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    HK G36 Dual Optic With Carrying Handle - USED

    H&K Heckler & Koch

    Now: $1,499.95
    Was: $2,099.95
    HK G36 Dual Optic With Carrying Handle - USED ONLY 2 UNITS AVAILABLE - AS PICTURED DOTS OVER SCOPE - DAMAGED BUTTON USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory HK G36/SL8 dual optic in used...
    HKP-00744-USED
    Now: $1,499.95
    Was: $2,099.95
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    Now: $1,499.95
    Was: $2,099.95
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  • On Sale
    HK91, G3, PTR Magazine - 5 Round - Black - USED HK91, G3, PTR Magazine - 5 Round - Black - USED
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    HK91, G3, PTR Magazine - 5 Round - Black - USED

    HKP HK Parts

    Now: $38.95
    Was: $79.95
    HK91, G3, PTR Magazine - 5 Round - Black - USED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine...
    HKP-16250-USED
    Now: $38.95
    Was: $79.95
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    Now: $38.95
    Was: $79.95
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  • HK21E, HK11A1, HK11E Barrel With Grip - 17.7" HK21E, HK11A1, HK11E Barrel With Grip - 17.7"
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    HK21E, HK11A1, HK11E Barrel With Grip - 17.7"

    Michaels Machines

    $1,478.95
    MM HK21E, HK11A1, HK11E Barrel - 17.7" Michael's Machines HK21E barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come complete, drop-in ready with a new factory flash hider and fully...
    HKP-22540
    $1,478.95
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    $1,478.95
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  • HK MP5 Optic Rail - M-LOK - Midwest G2 HK MP5 Optic Rail - M-LOK - Midwest G2
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    HK MP5 Optic Rail - M-LOK - Midwest G2

    MI Midwest Industries

    $136.95
    Midwest Industries HK MP5 Optic Rail M-LOK Mil-Spec optic rail designed for the HK MP5 platform featuring M-LOK attachment points. Provides a stable mounting surface for optics and accessories on MP5 series submachine guns. This model is sought after for...
    HKP-22536
    $136.95
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    $136.95
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  • HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM
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    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM

    Michaels Machines

    $1,478.95
    MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a factory new flash hider and fully assembled handle comprised...
    HKP-22534
    $1,478.95
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    $1,478.95
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  • HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7"
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    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7"

    RCM

    $1,089.95
    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a new factory flash hider and fully assembled handle...
    HKP-22533
    $1,089.95
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    $1,089.95
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  • HK MP5, AP5 Trunnion - 9mm HK MP5, AP5 Trunnion - 9mm
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    HK MP5, AP5 Trunnion - 9mm

    MKE

    $64.95
    HK MP5 Trunnion  Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5 SP5 In spec clones
    HKP-22523
    $64.95
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    $64.95
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