HK21 / HK23 / HK11 Series

HK21 / HK23 / HK11 Series

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  • New - H&K MG3 50 Round Assault Drum - HKP-22090 HK MG3 50 Round Assault Drum
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    HK MG3 50 Round Assault Drum

    H&K Heckler & Koch

    $27.95
    H&K MG3 50 Round Assault Drum H&K manufactured 50-round drum for the MG3. Unissued, but may have light marks or dust from long-term storage. Clips onto MG3 feed trays. With minor modifications, these can be run on HK21, HK21E, and HK51B setups...
    $27.95
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  • New - H&K HK11 Recoil Spring - HKP-21858
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    HK11 Recoil Spring

    H&K Heckler & Koch

    $18.95
    H&K HK11 Recoil Spring This German-made HK11 recoil spring is longer than the standard G3 springs but has the same pattern. As a project spring, this part can be cut down for use on G3 and HK33-type recoil rods. Many U.S.-built HK11's use G3 springs...
    $18.95
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    $18.95
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  • New - H&K 21E/23E Backplate - HKP-00241 HK21E, HK23E Backplate
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    HK21E, HK23E Backplate

    H&K Heckler & Koch

    $289.95
    H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate These factory German HK21E/23E back plates are no longer in production.  Grab yours before they are gone for good!  
    $289.95
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  • Out Of Stock
    New - MM HK 21E/23E/MSG90 (7.62x51/.308) & (5.56/.223) Scope Mount - HKP-01924 HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail

    HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail

    Michaels Machines

    $899.95
    HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.
    $899.95
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  • On Sale
    Used - H&K 21 (7.62x51/.308) Firing Pin - USED - BLEMISHED - HKP-00546-B
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    HK21 Firing Pin - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $29.96
    Was: $79.95
    H&K 21 (7.62x51/.308) Firing Pin - USED - 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: HK21
    Now: $29.96
    Was: $79.95
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    Now: $29.96
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  • New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Steel Recoil Rod Guide Ring - HKP-02063 HK21E, HK23E Recoil Rod Guide Ring
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    HK21E, HK23E Recoil Rod Guide Ring

    H&K Heckler & Koch

    $19.95
    HK 21E & HK 23E Recoil Rod All Steel Guide Ring
    $19.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Backplate Assembly With Buffer - HKP-01407 HK21E, HK23E Backplate Assembly With Buffer

    HK21E, HK23E Backplate Assembly With Buffer

    H&K Heckler & Koch

    $449.95
    HK 21E Backplate Assembly With Heavy Buffer Genuine Heckler and Koch. Unique back plate assembly for a pistol type build or a low profile addition to the HK21E/HK23E. Compatible With: HK 21E HK 11
    $449.95
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  • New - H&K 21 (7.62x51/.308) Axle pin - HKP-15451
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    HK21 Axle pin - 7.62x51 / .308

    H&K Heckler & Koch

    $9.95
    H&K 21 (7.62x51/.308) Axle pin
    $9.95
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  • New - H&K HK21E/23E Inner & Outer Buffer Compression Springs - HKP-21856 HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
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    HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer

    H&K Heckler & Koch

    $59.95
    H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...
    $59.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Carry Handle - HKP-00576

    HK21E, HK23E Carry Handle

    H&K Heckler & Koch

    $0.00
    HK German HK21E, HK23E Carry Handle New HK German factory HK carry handle for the HK21E, HK23E series of firearms. This offering is the handle only. The carry handle can also be adapted to standard HK21 models as well as the following firearms. HK21...
    $0.00
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  • New - H&K 21/21E/23/23E Double Frame Front Sight Base - HKP-21908 HK 21/21E/23/23E Double Frame Front Sight Base
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    HK 21/21E/23/23E Double Frame Front Sight Base

    H&K Heckler & Koch

    $66.95
    H&K 21/21E/23/23E Double Frame Front Sight Base Original, unissued German double frame front sight bases. These have never been welded to a cocking tube and are perfect for completing or restoring your build with factory-spec parts. Compatible...
    $66.95
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  • New - H&K HK21E/23E Rear Sight Base - HKP-21849 HK21E, HK23E Rear Sight Base
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    HK21E, HK23E Rear Sight Base

    H&K Heckler & Koch

    $89.95
    H&K HK21E/23E Rear Sight Base Factory German HK21E/23E rear sight base ready to weld on your build. The rear sight base serves as the mounting point for the rear sight, providing stability and proper alignment for accuracy on your HK21E or HK23E. As...
    $89.95
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