Presto Mag Liquid Gun Blue Maintenance and Preservation Pen for $7.50 + free shipping w/ Prime

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At Amazon, get this Presto Mag Liquid Gun Blue Maintenance and Preservation Pen for $7.50. It's the best price we could find by $4. It's designed to restore a blue-black finish to worn steel firearm surfaces without needing heat or special equipment. Buy Now at Amazon

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