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Old 12th August 2015, 04:48 PM
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RobF RobF is offline
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Join Date: Mar 2010
Member of: Southampton Buccaneers, Parkstone, South Dorset
Location: Poole, Dorset
Posts: 10,167

With the Walther, when the o-ring was shot, it appeared to send shots somewhat wide left-right. I say appeared because it was a dead calm (smoke from a ciggie tumbling vertical) day and i was getting over 40mm left and right at 55. So I changed the o-ring and it appeared to be ok.

Appeared. Never proved it.

It's a tiny amount on the walther but the cocking mechanism puts pressure on the left hand side of the probe, which the o-ring takes up slack of and seals. I'd never have thought it would have the effect it appeared to have, but after that, it got changed regularly.

I haven't read all the words, but the other issue is cant & parallax error.
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