john327 Well-Known Member Joined Oct 15, 2009 Location marion,sc Oct 30, 2014 #1 Looking at the box4rock & strong box doublers for 321/300. The strong box costs more, but comes with a new shaft for the 300 that makes it a few inches shorter and no coupler between the 2.
Looking at the box4rock & strong box doublers for 321/300. The strong box costs more, but comes with a new shaft for the 300 that makes it a few inches shorter and no coupler between the 2.
