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Old 03-01-2018, 06:39 AM
trevort trevort is offline
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Join Date: Dec 2006
Location: Melbourne
Posts: 303
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I had a 20 dasher done last year with a 28 inch long 9 twist lilja. I've got the 55gn bergers at 3780 but read a disturbing post on a US site that the user had to back off to 3600fps after the pills started to disintegrate when his barrel got to 150 rounds

So I thought I might email berger

They recommended 3400fps as the max speed for the 55. I'm up to about 200 rounds.

Hope it keeps shooting
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