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Old 22nd February 2012, 01:46 PM
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Knockedover Knockedover is offline
Join Date: Apr 2009
Location: Nr Portsmouth,Hampshire
Posts: 1,011

Try chronographing the gun with some air in it would be a good starting said before 175-180 bar down to 90-100bar should see a consistent result, at 70 bar your well out of the useable portion of the charge.
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