just finished 500rd test trial of a new SAR K-12. had to see how much difference between the CZ and Dan Wesson models. I guess the K-12 means, good for everything from primary thru secondary school. Any way considering the price difference its a real bargain. The first 400 rds. were reliability, and function, both mags and gun. 5 stars. The next 100 are Biil drills on a timer, using a 8 inch paper plate or A zone on IPSC target. Shot at 10, 15 and 20 yards, done twice. Timer showed good times consistent with a 42 oz gun shooting minor. Gun comes with LPA adj.rear sight,