Just picked up my brand new threaded version 15-22 and I'm hoping I can take it out to the range for the first time Monday morning at some point. While at the gun shop, I also picked up a carry handle and will be using it, as well as the stock front post as my main sights for now until I find a red dot sight I like. My question is, how are the carry handles as reliable rear sights on these rifles? Can you get it to be functional at about 25 yards? Also, is the front post sight on the 15-22 adjustable for elevation? I have never sighted in this configuration and didn't know of any tips you may have. Thanks for the help!