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M1 Carbine Images

Author Topic: 3. Undersized Barrel at Spline Section  (Read 5125 times)


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3. Undersized Barrel at Spline Section
« on: October 20, 2012, 12:46:46 AM »
 The outside diameter of the barrel at the bearing surface for the gas cylinder must not be reduced. If reduced, leakage of gas between the barrel and the gas cylinder greatly reduces the power available to operate the weapon. This failure can promote short recoil stoppages. This type of failure is likely from a manufacturing defect. This type of failure would have been addressed when your M1 Rifle was put into service and is very unlikely to be seen today.


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