Originally Posted by Warlock
If you own a GBBR you MUST have a chrono as FPS will change with the temperature and you have to adjust your GBBR throughout the day with temperature variation. As exemple if it is 10 deg C early in the morning and 25 deg C in PM you can have a big increase of FPS like 20 or 30% more.
Yes, since you already took the plunge to expensive GBBR world, spend 100$ more and buy a chrono
I actually bought a chrono after just my 2nd gun..