I have just gotten my 110ba in 338 lapua and I am going to try the gun juice treatment on it. Don't know if it really does extend barrel life or increase FPS or not but everyone I have talked to about it said that it definately helps a lot with copper fouling and makes cleaning a lot easier. It was suggested to me by a member on here to not use it untill the break in is done so as not to interfere with the lapping. My question is how many rounds roughly do you all think I should wait? I put 49 rounds of 300 SMK's through it on Sunday and cleaned it after every 5 while I was doing it. Should that be enough or maybe wait another 50 and keep cleaning like I have been?