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Old July 25th, 2012, 14:17   #21
Join Date: Jul 2011
Location: Ottawa
no need for the J battery... the J is a 10.8v nimh or a 9.6nicad... a 9.6v L nimh will be more than enough to run a p90 in and around 400 fps. J batteries require a lot of cutting of parts to make it fit, really unnecessary with modern battery types.

To fit the J you more often than not have to cut away parts of the retaining plate that keep the gearbox in the gun. Cutting this plate can result in bad gearbox alignment to the hopup and cause misfeeding.
lurkingknight is offline   Reply With Quote