I'm new to ARs and this is my first post. I just purchased a s&w sport. Shot 120 rounds though it a couple weeks ago and it ran great. Earlier today, I finally got a chance to clean it. I disassembled the bcg and cleaned and relubed all the parts.
Question I have is before I disassembled the bcg the bolt assembly moved freely in the bcg. When I cleaned and lubed everything and out it all back together the bolt assembly is very tight going back in and doesn't move that freely in the bcg anymore, is this correct or did I do something wrong?
I put every back together and everything seems to be functioning correctly, but I'm worried that the bolt being stiff will cause problems. Any help will be much appreciated.
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