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 53 (5.56/.223) Frangible Ammunition Adapter - 15x1 - HKP-16978 HK 53 (5.56/.223) Frangible Ammunition Adapter - 15x1
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    HK 53 (5.56/.223) Frangible Ammunition Adapter - 15x1

    H&K Heckler & Koch

    $149.95
    New HK 53 Factory 4 Prong Frangible Ammunition Adapter - 15x1 RH Get your hands on one of the last HK factory frangible adapters while we still have remaining inventory of this limited item.  This part is no longer in production so once they are...
    HKP-16978
    $149.95
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    $149.95
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  • New - RCM MP5K 40/10 Full Auto Bolt Carrier - HKP-01826 HK MP5K Bolt Carrier - Full Auto - 10mm / .40 S&W
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    HK MP5K Bolt Carrier - Full Auto - 10mm / .40 S&W

    RCM

    $157.95
    MP5K 40/10 Full Auto Bolt Carrier - Latest Upgraded Version This part is built from billet ordnance steel. This US-made MP5K 40,10 style carrier is made with Tungsten and is heat-treated, providing the finest American-made carrier...
    HKP-01826
    $157.95
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    $157.95
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  • New - H&K MP5-A2 .40 S&W German Parts Kit - HKP-00891
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    HK MP5 German Parts Kit - .40 S&W - A2 Stock

    HKP HK Parts

    $3,979.95
    HK MP5 40 S&W A German Parts Kit - Used Includes: Barrel - 3 lugs, threaded, and cold hammer-forged Trigger Group - Ambidextrous Navy 0,1, F Trigger Group A2 Fixed Stock Bolt Group Mp5 40 F/A Forearm - Standard wide black polymer Rear Sight...
    HKP-00891
    $3,979.95
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    $3,979.95
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  • Out Of Stock
    New - H&K MP5K 40/10 3 Position Navy Style Housing - Clipped & Pinned - HKP-15454 HK MP5K 40/10 3 Position Navy Style Housing - Clipped & Pinned

    HK MP5K 40/10 3 Position Navy Style Housing - Clipped & Pinned

    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
    Used - H&K HK33A2 Parts Kit-Used - HKP-00783 H&K HK33A2 Parts Kit-Used H&K Heckler & Koch HKP-00783
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    HK33 A2 Parts Kit

    H&K Heckler & Koch

    Now: $2,897.95
    Was: $3,489.95
    HK33 A2 Parts Kit - Used Surplus (Receiver Not Included) Genuine German HK33 A2 parts kit professionally de-milled in accordance with BATF specifications. This kit does not include a receiver. These kits consist of German-manufactured HK components and...
    HKP-00783
    Now: $2,897.95
    Was: $3,489.95
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    Qty in Cart: 0
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    Now: $2,897.95
    Was: $3,489.95
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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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  • On Sale
    HK Handguard Sling Pin - Ambi - Small - USED HK Handguard Sling Pin - Ambi - Small - USED
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    HK Handguard Sling Pin - Ambi - Small - USED

    H&K Heckler & Koch

    Now: $42.95
    Was: $61.95
    HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...
    HKP-00077-USED
    Now: $42.95
    Was: $61.95
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    Now: $42.95
    Was: $61.95
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  • Out Of Stock
    On Sale
    New - HK SP89, SP5K, MP5K - Forearm - HKP-17397 HK MP5, MP5K, SP89 Handguard with Handstop - BLEMISHED

    HK MP5, MP5K, SP89 Handguard with Handstop - BLEMISHED

    HKP HK Parts

    Now: $21.95
    Was: $29.95
    HK MP5, MP5K, SP89 Handguard with Handstop - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse...
    HKP-17397-B
    Now: $21.95
    Was: $29.95
    Out Of Stock
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    Now: $21.95
    Was: $29.95
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  • UMP, USC Front Sight - Omega UMP, USC Front Sight - Omega
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    UMP, USC Front Sight - Omega

    OMEGA

    $9.95
    Omega UMP And USC Front Sight Front sight for HK UMP and HK USC Compatible With: HK UMP HK USC
    HKP-22513
    $9.95
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    $9.95
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  • On Sale
    HK SL8, G36, Sight Rail - Front / Rear Sights - BLEMISHED HK SL8, G36, Sight Rail - Front / Rear Sights - BLEMISHED
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    HK SL8, G36, Sight Rail - Front / Rear Sights - BLEMISHED

    H&K Heckler & Koch

    Now: $419.95
    Was: $598.95
    Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALY MISSING SCREWS - NO HARDWARE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...
    HKP-17718-BL-B
    Now: $419.95
    Was: $598.95
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    Now: $419.95
    Was: $598.95
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