Quesion about Gas pistons

[MrCaprioni]

Can you put a Piston system upper on any AR lower.

Cap

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[rodell]

The answer is yes, as Mr. Ritz indicated. Pistons aren't any more reliable, but, they are certainly easier to clean. I put an Adams Arms kit on my S&W M&P15 and I couldn't be happier. Clean up times dropped significantly and easier and more thorough cleaning was one of the things that was important to me.

 

[Caveman Jim]

Not to mention but still having oil on the BCG at the end of the shooting session with a piston, many times with a DI, I would have to stop & lube the BCG after FTE's.