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globalsmack · December 25, 2010, 07:54 PM

It's really up to you. I own more piston ARs than I do DI. My go to though is a KAC SR15. It's just lighter so at day long carbine courses it makes it somewhat easier.

There really isn't a right answer. Both will serve you well. For those that say it's more parts do the math.

Piston
Op rod
Plug
Maybe a spring

Vs

Gas tube
Gas ring
Gas ring
Gas ring

I would bet that the gas rings or tube will go bad before a op rod, piston or plug.

December 25, 2010, 07:54 PM	#22
globalsmack Senior Member Join Date: November 26, 2008 Posts: 145	It's really up to you. I own more piston ARs than I do DI. My go to though is a KAC SR15. It's just lighter so at day long carbine courses it makes it somewhat easier. There really isn't a right answer. Both will serve you well. For those that say it's more parts do the math. Piston Op rod Plug Maybe a spring Vs Gas tube Gas ring Gas ring Gas ring I would bet that the gas rings or tube will go bad before a op rod, piston or plug.