By the end with the day, I felt fairly self-confident dumping 50 rounds of 9mm into a place about the dimensions of a smart auto from it's possible 25-yards away or so. The external slide mounted selector is intuitive to employ and is simple to switch involving semi-automated and entire-automated. https://zaneryaii.thelateblog.com/27181378/not-known-details-about-glock-18-upper