AR-15 Uppers and Upper Parts

AR‑15 Upper Receivers & Upper‑Assembly Parts designed to fit Mil‑Spec AR‑15

AR15 Uppers and Upper Parts

AR-15 Uppers and Upper Parts to fit Milspec AR15, M16, and M4 Firearms.

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  • AR-15 Buffer Tube Assembly A1/A2 Rifle Length
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    E. Arthur Brown Company

    AR-15 Buffer Tube Assembly A1/A2 Rifle Length

    $39.95
    $29.95
    Our Mil-Spec Rifle Length Buffer Tube Kit consists of a 10" fixed position buffer tube, heavy 5.6 oz buffer assembly and an 11.5" pre-loaded steel spring. The buffer tube is made of T6-6061 aluminum and is designed to fit any A1/A2 fixed position...
    127-TBS-L
    $39.95
    $29.95
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    CMMG Firing Pin Retainer, M16 - 55BA4C5
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    CMMG

    CMMG Firing Pin Retainer, M16 - 55BA4C5

    $0.95
    $0.89
    $0.95
    CMMG Firing Pin Retainer, M16 - 55BA4C5
    314-55BA4C5
    $0.95
    $0.89
    $0.95
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