Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Ashe is an ad carry the way I play her. She is meant for range this build is also the same that I use for Varus as well I tend to use Varus more than Ashe. The build I use is for attack speed. I noticed the faster my attack speed the less it really matters for attack damage really. The attack speed should get up to max which is 2.5. With that much you can take down health quickly on a champion and spam the ionic spark much more than you would going slowly. The ionic spark is an aoe damage that helps attack multiple people at once if you're being ganked and have only one other person with you. Very helpful when i play.
I don't know any other alternative runes seeing as i use these the most, but these runes help me to attack faster and penetrate armor on the other team. Armor penetration is very helpful no matter who you go against. The physical damage just gives you a small boost to add on to the build you have used if you so choose to use my build.
These masteries I used from another persons build I really wouldn't know an alternative to them. They help me with both my Varus and Ashe build.
I chose berserker's greaves, because they help a lot more in getting to the point of where you need to be. The phantom dancer while increasing your speed also increases your attack speed and crit. damage goes up. The black cleaver helps to lower your enemies defense and increases attack speed to be higher so you can mow down your enemies faster and more efficiently. The blood thirster is there to help you gain your hp back and increases your ad so you're not completely all attack speed it can be useful if you get it fully stacked. The ionic spark does a aoe damage every four hits causing you to hit a certain amount of damage and increases your attack speed to almost max. The madreds bloodrazor can be switched out depending on who you are going against but it helps your ad and attack speed so by the time you finish the build you should have max attack speed and should hopefully be killing you're enemies quickly.
The skill sequence is just what I use personally. It doesn't really matter how you do it as long as you get your volley first other than that it doesn't matter how you go into your skill sequence
I choose these two summoner spells, because I tend to be a bit of a mana ***** when I go Ashe or Varus. The clarity is just there for when I run out of mana and the exhaust is used for when enemies are chasing me and I'm low health and trying to get away. Other spells could be something like flash when you're chasing or using some other spell that you think might fit with what you're doing.
All in all when I play with this build and can get it fully built I tend to have an amazing score. Though that is if I'm not being ks'ed in game or being killed because people run away from a fight that should be simply easy.