Knights Armament SR15

[SF0]

Originally Posted by scooterdude713

I was reading up on the La Rue Tactical and saw that it was direct gas impingement, I thought the consensus was that the piston operating system was a cleaner, cooler method to run an AR platform. Or is there a problem with the piston system that I have not heard of? It is the price of the two isn't it? The gas piston system runs more expensive then the direct gas impingement. is that one of the bigger setbacks?

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