most accurate pellet at long range 50 - 150 yards?

[100m airgun]

most accurate pellet at long range 50 - 150 yards?
JSB Exact 15.9 grain .22
or
Air Arms Diablo Field 16 grain (so i am told?) .22
5.50?
or
5.51?
or
5.52?

Hi,

In the Netherlands 100m (110 yards) matches are organised especially for airguns. We have seen there 10 shot groups smaller than an inch. Almost every competetor uses JSB. Most of them 5,52:

http://www.100mairgun.nl/post/Paul-L...wedstrijd.aspx

Snoep!