Ares SCR question

[Rontalvos]

You can buy a tool to do the adjustment or you can use the tip of a 223 to push down the detent and then twist the sight.

The tool is a few bucks but a bullet is free, but takes longer.

http://www.amazon.com/Model-4-Prong-Dual-Front-Sight/dp/B000AXRY5Q/ref=sr_1_cc_1?s=aps&ie=UTF8&qid=1429729231&sr=1-1-catcorr&keywords=front+sight+tool