This auction is for four (4) improved transfer port breech gaskets. These are made from Polyethylene stock, machine cut to insure parallel sealing surfaces. These will fit the following Crosman models: 180, 187, 400, in .177 cal. & .22 cal. air rifles. Most of the old original breech seals are brittle, crumbling, crushed, and even partly
blocking the transfer port, and should not be reused. Most guns will
experience an increase in performance by simply replacing the transfer
port breech gasket and eliminating the possibility of any restriction. Please contact me if you have any questions. Thank you. Powered by The free listing tool. List your items fast and easy and manage your active items.
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