I echo the praises above. I have had mine since mid-2005 and love it. In addition to the many lighter cowboy action rounds, I have sent many full power magnum loads through it also. Last Nov, I wrote on the BOLD forum about my taking my TTN 1878 to the range during our annual police qualification. I first went thru with a Rem 870 duty shotgun, then went thru again with my TTN. My TTN amazed everyone (including me) putting 00 Buck at dead center mass at 25 yds and, even more impressively, put solid slugs, fired from both left & right barrels into the same hole (kinda figure 8 looking) at 25 yds, 1" left and 1" down from dead center center mass.