MGI Adjustable AR-15 Mid-Length Gas Tube
The MGI Adjustable Gas Tube for your AR-15 or M16 solves gas port erosion problems without the expense of replacing the complete barrel. It also allows you to adjust the pressure to specific ammunition, conditions, or when working with silencers. The MGI Adjustable Gas Tube installs quickly and easily and will save you time and money.
11 3/4-inch Mid-Length Gas Tube
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