[Jefff]

pawn Код:

RemovePlayerWeapon(playerid, weaponid)
{
    new
        pWeapon[13 char],
        pAmmo[13]
    ;

    for(new i=0; i != 13; i++)
        GetPlayerWeaponData(playerid, i, pWeapon{i}, pAmmo[i]);

    ResetPlayerWeapons(playerid);

    for(new i=0; i != 13; i++)
        if(pWeapon{i} != weaponid && pAmmo[i] > 0)
            GivePlayerWeapon(playerid, pWeapon{i});
}

usage

pawn Код:

new Weapon = GetPlayerWeapon(playerid);
if(Weapon > 0)
    RemovePlayerWeapon(playerid, Weapon);

and next time search [ RemovePlayerWeapon, ResetPlayerWeapon ]
http://forum.sa-mp.com/search.php?searchid=7417688