My apologies if this is not the correct forum section. If not, mods please move.
I just finished building an upper from separate components. All the components are brand new Colt: upper receiver, barrel, BCG, gas block and gas tube.
I have not yet fired it. Everything looks fine and cycles by hand smoothly. It goes into battery just fine and I cannot see any play in any component.
That being said, would it still be necessary to run a go/no-go headspace gauge test? I don't have a set and since I hardly ever build uppers from components (this is my first and likely last), I just don't want to shell out the cash.
Yes? No? Crazy for not checking?
Thanks in advance for the advice!
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