The 16" tapered barrel tactical will string upwards 6" @50 yds in about 15 shots firing about 1 round per second. It's been cryo treated and still strings. I'm thinking the Mo-Rod with two clamps might stabilize better but the Accu-Strut Socom looks better. The gas block will get dimpled. Other suggestions? This gun was to be used in Practical Rifle competition but a difference of 6"@50 yds translates into a whole lot higher at 200yds once it's heated up so it's a no go til the stringing is solved.