Serial number information is offered by purchasing a “Letter of Authenticity” for $30.00. MOD 1, SPR MOD 2, M15 and Eagle-15 models within a specific range of serial numbers. Eagle Arms AR-15 5.56 NATO 223 RIFLE 15EAMFT AR15. No, but in its price range it is the one or two best guns available. Enter up to twenty serial numbers in the fields below and click 'Submit'. The part that has the serial number on it is the Lower. For a Serial Number lookup, be sure to enter the entire serial number. I need to know-Quote:-Armalite sells Eagle lowers, but sells factory complete rifles with Armalite lowers. I would guess your gun was made sometime around 1998. Performance & security by Cloudflare, Please complete the security check to access. I used the term 'Glock of the AR world' because they are battle tested for decades.