Originally Posted by
The_Hammer_Man
But, in general, if your tube has been installed correctly and you have a decent quality barrel you should be able to hold 1 moa all day with fixed sights.
It's not about the strength of the rail... or "tube". It's about how much the barrel can drift in the rail with receiver flex, etc.
You can pic up about any FF AR15 and grab the muzzle and flex the barrel/receiver from the front of the gun.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
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