August 2013 Trivia Post published:August 8, 2013 Post category:Trivia What year did the M3 Lightweight get introduced and who designed it and how much lighter was it than the M3? The M3 Lightweight first came out in 1995 and was 10% less weight. Read more articles Previous PostJuly 2013 Trivia Next PostSeptember 2013 Trivia You Might Also Like September 2014 Trivia September 28, 2014 March 2013 Trivia March 14, 2013 May 2016 Trivia May 13, 2016