When a grey coated, golden maned unicorn named Bullet falls on Canterlot, He swaps frags for friendship as the Princess sends him to Ponyville to forget about war and make a magical discovery of friends. But he picks up his pistol once more to deal with life in Ponville. Join Bullet, Speed, Molestia and a whole load of other ponys as Bullet and his new friends undergo a epic adventure of fun, danger, mystery and friendship. This is…

Pony With A Gun, The Story Of Bullet.
P.S Just to let you know, EVEN THOUGH Molestia is in the story and is one of the main characters, this is NOT a clopfic it just has a few sexual refernces and some "Action".