Originally Posted by PaulD
Both my P70 FT and Steyr LG110 FT where supplied with test cards fired at 10mtr
I think it's just an industry standard. they both used 7.9gr pellets to achieve this also which is a throwback from the 10mtr competitions which lets be honest most of our rifles (EV2 included) are developed from
Its not a standard, just lessens the risk of manufacturers having to reject any barrels for innacuracy.