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Old 09-16-2019, 08:24 PM   #2
popgun pete
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Join Date: Mar 2006
Posts: 4,245
Re: My Invert Roller

The "helper" band on top seems to unstick the roller system, the rollers need to turn and cables can take a temporary set under tension from the cocked bands. The gun will shoot without it, but with a conventional band there is no delay and it just jerks forwards when you pull the trigger.
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