GMX is made from guilding metal and Barnes are pure swaged copper...How would the GMX be softer when it has roughly 5% zinc added to the copper?
Ive only used the Barnes 458SOCOM 300gr TTSX on deer. It went through the doe like butter destroying everything in its path.
Last edited by Gm54-120; 08-07-2017 at 05:58 AM.