Description
The Otis Technologies Msr/ar Cleaning System is a cleaning kit.
Bore tools are sized to the bore. A brush or jag has to match the calibre – too small does nothing, too large will jam in the barrel.
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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