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I ordered this kit mainly because many pre built 10.5” uppers don’t come in 1-7 twist and this one is advertised that it did come in 1-7 that way when I am shooting heavier loads like 77 grain the twist stabilize the round better.
Upon arrival, the upper seems solid, and everything complete as listed, but the box says it is a 1-8 twist upper. There are no markings on the barrel that says otherwise. So I guess I got a 1-8 upper. If that was the case, I would have just built my own 10.5” 1-7 upper receiver, but I was trusting in this specific advertisement from optics planet. Someone dropped the ball and needs to fix the listing that way, other people don’t buy the product thinking it’s a 1-7 upper when in fact it’s a 1-8 twist upper
You get a lot of scope for $400ish. Looking to reach out far, then this scope is for you. Feels light and solid. Clicks are crisp and lifetime warranty!!
This thing is full auto rated for anyone running a binary trigger. Government barrel full auto rated bolt carrier and gas adjustments settings that makes this a very versatile full complete upper.
My first test was using the CMMG 22LR conversion kit. then put in the supplied bolt carrier back in and started shooting 5.56 again. both 22LR and 5.56 I shot rapidly to see if I was gonna have any issues, none!