Hi, Got a new G26, and put about 150 rounds in it just after I bought it (gun shop has a range). I now have the black finish worn off the front of the barrel hood, in the front that block that contacts the slide. Is that kind of wear normal, or did I goof by not field stripping it when new and oiling the inside of the slide? Once done, I stripped and cleaned it, and oiled it as per the manual. By the way, what's the best oil for a Glock, and the best way to spread it around the slide grooves (not counting fingers)? Thanks!