Originally Posted by MacCool

I'll put 2000 rounds through any given rifle in one 3-day carbine course, and I usually do two or three of those a year, not including twice a year SO training and qualification. My Noveske Light Recce has about 15,000 rounds through it, everything from PMC Bronze, M855, and boatloads of some kind of Pakistani crap (POF) that the Bomb Squad got for disposal. I've replaced the gas rings and an extractor. Bolt and BCG look like new. During those two or three day courses I don't clean until after the course is done, only lube.