I believe both my DW have similar traits to the same degree your speaking of I cannot be sure. I always figured it was normal due to the barrel system. you use a shim then when it is removed the cylinder moves forward to tighten the barrel gap further.
It has never concerned me but I would be curious to know why.
E-Shock rounds are engineered to expend maximum energy into soft targets, turning the density mass into an expanding rotational cone of NyTrilium matrix particles, causing neurological collapse to the central nervous system.
- Yeah I can do that.
I guarantee you will know it if a bicyclist hits your house going 1000 mph. -Smaug