[Daddy Yankee]

PHP код:

stock IsABigWeapon(playerid)
{
    switch(GetPlayerWeapon(playerid))
    {
        case 30,31,24,23,29: return 1;
    }
    return 0;
} 


The put a restriction on /putgun1 like

PHP код:

if(!IsABigWeapon)
            {
                SendClientMessage(playerid, COLOR_GRAD1, "You can't put this weapon.");
                return 1;
            } 


Then you do same for the small ones, with different id's of course.

PS: I'm not sure about the shawnoff id (23)