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Old 14th October 2016, 06:41 AM
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rich rich is offline
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Join Date: Nov 2008
Location: Shebbear, N Devon
Posts: 1,644

Maybe his rifle takes 1.77" pellets?

The real answer is, the gap has to be at least a quarter of the bore or it won't work; anything longer than that is a matter for experiment and may well be pellet related.
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