I recently bought 2000 pieces of .223 brass, to add to my 2000 or so pieces I had sitting in a bucket. I sized/deprimed all of them last weekend, normal stuff on the rock chucker. Then I realized about 2500 pieces were F.C .223 rem brass with a primer pocket crimp. So I headed down to my shop and put a case mouth debur tool in the spindle on the manual mill, got thru those in about 2.5 hours (I have been removing crimps this way for a while and never had a problem). Today I got to thinking about trimming all of them and how it didn't sound like a fun job on the Hornady cam lock manual trimmer. So I took the trimmer apart, put the piece that holds the shell holder in a collet closer and the cutter in the spindle, set a stop, grabbed a stool and a couple plastic bins and went to town on it. Here's a few pictures I use a drop indicator to check length, it's set at 1.75 for 0 so I can drop the indicator on the shell and see if it needs to be trimmer and check my trimmer cases without measuring them with a set of calipers. Here is my set up to trim them. http://i1056.photobucket.com/albums...D-1AEA-48F3-9ADE-288B9AFED523_zpsxwxnnnnf.jpg I just wish I had an rcbs 3 way trimmer so I dont have to debur these when I'm done. Next I will put a primer pocket brush in the spindle and clean the pocket in the mill as well. No bad wrists for this guy.