20th level fighter: BAB 20, Dex 23, Bracers of archery, gloves of dex +6, point blank shot, weapon focus, greater weapon focus, +5 Mighty lo0ngbow str4, and a natural die roll of 20.
20+6+2+3+1+1+1+5+20= an attack roll of 59
2nd level monk ac 13 - Blocks arrow with no problem whatsoever...