The Model 100 is a great little rifle, as long as you keep it clean!, specificly the gas system, that is where all so called jams come from, the bolt is simply short stroking. Ive worked on a few in the past that Ive had to replace the gas system, once done, they are back to 100%. As to R.R. wanting one in 284, I dont blame him one bit!, the 284/7mm bullet has the highest B.C. of the bunch, inheritly more accurate.