M&P 15 Piston System Removal Help!
I just removed the Gas Piston system from my rifle and was able to remove the gas piston along with the operation rod and spring but the spring guide is missing!!! This is the first time taking apart the gas piston system so I know I didn't lose it.
Last edited by Sharpshooter76; 12-07-2010 at 04:20 AM.
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