Description
The GNP Defend Gun Cleaner Spray is a solvent.
Solvent dissolves fouling – carbon, and with the right formulation copper left in the rifling by jacketed bullets. It is for cleaning, not for protection: solvent left on steel is not a rust preventative.
Clean from the chamber toward the muzzle where the design allows it. Dragging a rod back and forth across the crown – the last fraction of an inch of rifling at the muzzle – is one of the few ways cleaning can measurably harm a barrel.
This is an accessory, not a firearm, and ships directly to your address.
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