I,d like your views/ findings folks. How many pellets does it take to re-lead a barrel after cleaning ? I,m still having problems with this CZ barrel. When I tested it last week it hadn,t been cleaned, having put only JSB through it. But, without cleaning, I tried some H&n Sniper Mediums through it and the results were amazing - cloverleaf at 45yards. That was until everything went tits up for reasons i,ve explained elsewhere . Now today I cleaned the barrel on so called experts advice because I wanted to stick to the Snipers . " Experts" say that barrels should be cleaned every time you change pellet brands because of different levels of antimony in the lead. Some say it takes only 20 or so pellets to re-lead a barrel , others say 1 or 2 tins. So which is it ? I put 50 or more through the CZ today and the accuracy simply wasn,t as good as it was last week, without cleaning. I really would like to get this rifle shooting straight otherwise its just a waste of cabinet space ( and Money ).