February 2014

Bushmaster Cleaning System

he makers of Gunk and Liquid Wrench have taken to repackaging what proved to be one of the finest metal preservatives weve tested here in Idaho. Our tests (September 2012) on a bar of bare steel exposed to salt and rain for weeks showed the product, originally called Smith & Wesson Lubricant and Protectant, to be among the very finest at keeping rust off that steel bar. We had first tested that oil in July 2010, and it had been one of the best two preservatives wed tried, the other being Boeshield. Our steel test bar now has sat outdoors all last fall and winter, and it has yet to show any rust in that spot, though the rest of the bar has rusted badly. The accompanying photo of pistol and bar at right shows it as it is today, the oil having never been reapplied.

That preservative oil was at first hard to find, and then became impossible to find. Along the way we published a few sources, but they dried up. Imagine our joy to learn that the oil is now being repackaged as a liquid, not in a spray can, and its readily available. Its called Bushmaster Firearms Master Lubricant & Protectant. The sample we got was actually part of a cleaning process that involves three fluids, called #1 Master Bore Cleaner & Polish, #2 Master Bore Rinse, and #3 Master Lubricant & Protectant oil.

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