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devbro · March 5th, 2016, 17:59

I am in the process of making my own M4 from spare parts. So here is my odd question:
For the receiver, what can I expect to be different between a polymer based reciever vs a metal one? Is one better than the other?

March 5th, 2016, 17:59	#1
devbro Trader rating Join Date: Feb 2016 Location: Thornhill, ON, Canada, North America, Earth	receiver material? I am in the process of making my own M4 from spare parts. So here is my odd question: For the receiver, what can I expect to be different between a polymer based reciever vs a metal one? Is one better than the other?