Got the replacement a couple days ago. The lock bar was about the same, but the edge grind was far more even on the replacement. I figured that since the replacement was hand picked that I was not getting anything better anyhow.
I used the replacement 110 for the past couple days cutting a few apples, making a couple sandwiches, cutting cheese and ham for crackers, cutting tape, just boring day to day stuff trying to start a patina on the 5160 blade. I also worked it open and closed some to start getting it smoothed out. No beating it through a log with a club or any of that kind of nonsense.
After two days the blade rattles around a lot when closed and hits one side. The blade can be pushed into either side without much effort. The spring tension has gotten weak enough that I can open it with one thumb, and seems to be getting weaker. When locked open there is a good bit of side to side play that was not there when I first got it. Enough that it clunks around. Vertical play is minimal but is also increasing quickly like the rest of the blade play. There is a large gap on each side of the lock bar. Wide enough that I can stick printer paper in the gap.
I'm at a loss here, I just don't understand how it is this bad. What is going on at Buck?
video of the closed blade play. I don't have anything to hold my phone to get a video of the blade play when open.