Hello I have a Colt AR-15, CT 4000 double action works smooth solid lockup was carried a little never cut anything, coin and key scratches and a little of the rubberized coating which shows every scratch, I removed it with alcohol on my old model don't know why they put it on them it rubs off easly I took a alcohol swab and removed a little on the bolster end of this one, has a nice black underneath comes with paperwork allen wrench and box Asking $65.00 shipped know your laws, sales to the U.S. only pay pal fine . Thanks Dwight dmoore@tgtel.com