cleaning

Hi, So i'm finally getting all my gear today. Well MB01 with a few upgrades and mods ready for when it arrives. Also I am getting my TM MK23. I have a new inner barrel for my sniper which i will polish then clean before putting into the gun. My question however is that I have heard that you...

Greetings. I've got a few questions about the UTG Shadow Ops. This last weekend it started acting up and I could tell that the bolt was very dirty. I decided to break it down and clean it up but looking into the bolt, I'm seeing a lot of junk in the spring and the other inner workings of the...