I have found the utg pistol ergo grip to be the cheapest at 11.99 ea this is what i am going to add to my build lets see where we are at cost

mako fix sight set 55.95

mako quad rail 135.05

utg ergo pistol ar 11.99

----------------- 202.99

TOTAL NOT BAD HUH ! STILL GOT MORE TO GET FOR THIS BUILD, NOW HAVE TO DECIDE ON MY LOWER.