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 G36 (5.56/.223) 30 Round Magazine - FDE - HKP-18595 HK G36 (5.56/.223) 30 Round Magazine - FDE
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    HK G36 (5.56/.223) 30 Round Magazine - FDE

    H&K Heckler & Koch

    $119.95
    HK German G36 30 Round Magazine New HK German 30 round magazine fits all G36, G36K, G36C variants & converted SL8's with the G36 magwell. New Heckler & Koch German mag. Factory fresh latest HK manufacture. Compatible With: G36, G36K, G36C SL8...
    HKP-18595
    $119.95
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    $119.95
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  • New - HKP/H&K MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame - HKP-16490 HK MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame
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    HK MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame

    HKP HK Parts

    $189.95
    HKP/H&K MP5K/SP89 9mm SEF Metal Style Grip Frame Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a double tang housing to a...
    HKP-16490
    $189.95
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    $189.95
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  • New - H&K Sear Complete For HK Burst Trigger Packs - HKP-17028
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    HK MP5K, HK90 Series Burst Trigger Sear Complete

    H&K Heckler & Koch

    $59.95
    Heckler & Koch's Sear Catch for HK90 Series and HK MP5K - Steel - German For Burst Trigger Packs Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    HKP-17028
    $59.95
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    $59.95
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  • New - HKP Single Point Sling - ACU Digital Camo - HKP-15041 HK Single Point Sling - ACU Digital Camo
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    HK Single Point Sling - ACU Digital Camo

    HKP HK Parts

    $29.95
    HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...
    HKP-15041
    $29.95
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  • On Sale
    HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED H&K Heckler & Koch HKP-21865-BL-B HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED H&K Heckler & Koch HKP-21865-BL-B
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    HK G3 Buttpad with Catch Spring - Standard Stock - Black - Used - BLEMISHED

    H&K Heckler & Koch

    Now: $0.97
    Was: $2.95
    HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...
    HKP-21865-BL-B
    Now: $0.97
    Was: $2.95
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    Now: $0.97
    Was: $2.95
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  • New - HKP 90 Series F1 Flat Trigger - Skeletonized - HKP-21580 HK MP5, G3, HK93 Flat Trigger - Skeletonized
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    HK MP5, G3, HK93 Flat Trigger - Skeletonized

    HKP HK Parts

    $68.95
    HKP 90 Series Flat Trigger - Skeletonized - USA The HK Parts Skeletonized flat trigger for 90 series firearms offers improved control, reduced weight, and a custom look. Precision-machined from billet ordnance-grade steel with a QPQ nitride finish for...
    HKP-21580
    $68.95
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    $68.95
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  • Out Of Stock
    New - H&K 416 Folding Front Sight - Complete - HKP-22022 HK416 Folding Front Sight - Complete

    HK416 Folding Front Sight - Complete

    H&K Heckler & Koch

    $187.95
    H&K 416 Folding Front Sight - Complete Factory H&K folding front sight for the HK416 with a 33mm sighting line. Compatible With: HK MR556 HK416    
    HKP-22022
    $187.95
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  • New - Streamlight HK MR556/HK416 Protac 2.0 Rail Mount - HKP-21939 Picatinny, MLOK Optic Mount - Protac 2.0
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    Picatinny, MLOK Optic Mount - Protac 2.0

    Streamlight

    $169.99
    Streamlight HK MR556/HK416 Protac 2.0 Rail Mount The Streamlight ProTac 2.0 Rail Mount HP is a high-performance rail-mounted tactical light designed for long-gun applications. Producing 2,000 lumens and 100,000 candela, it delivers intense, far-reaching...
    HKP-21939
    $169.99
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  • New - MKE Century Arms AP51 A3 Retractable Stock - HKP-21926 Century Arms AP51 Retractable Stock - A3
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    Century Arms AP51 Retractable Stock - A3

    MKE

    $449.95
    MKE Century Arms AP51 A3 Retractable Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...
    HKP-21926
    $449.95
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    $449.95
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  • New - B&T 1/2x28 to Tri-lug Adapter for 9mm - HKP-21752 Tri-Lug Adapter - 1/2x28 RH to Tri-Lug - 9mm - B&T
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    Tri-Lug Adapter - 1/2x28 RH to Tri-Lug - 9mm - B&T

    B&T Brugger & Thomet

    $125.00
    B&T 1/2x28 to Tri-Lug Adapter for 9mm Convert any 1/2x28 RH 9mm threaded barrel to the HK spec. tri-lug with B&T's Swiss-made adapter adapter threaded 1/2x28. Compatible With the Following 9mm Firearms: HK MP5, MP5K, SP5, SP5K HK UMP...
    HKP-21752
    $125.00
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    $125.00
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  • On Sale
    New - HKP V51 Backplate - HKP-21201 HK V51 Backplate
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    HK V51 Backplate

    HKP HK Parts

    Now: $99.95
    Was: $167.95
    HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...
    HKP-21201
    Now: $99.95
    Was: $167.95
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    Now: $99.95
    Was: $167.95
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  • New - B&T MP9/TP9 Case - HKP-21084 B&T MP9/TP9 Case
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    B&T MP9/TP9 Case

    B&T Brugger & Thomet

    $199.95
    B&T MP9/TP9 Carrying Case B&T factory issue MP9/TP9 carrying cases.  These cases are no longer in production or available from any other vendors.  A limited quantity is available. Get yours before they are all gone! Dimensions: Length:...
    HKP-21084
    $199.95
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    $199.95
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