Unquestionably.
A battered diamond trumps a polished turd any day.
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I bought a used Eotech 512 on ebay a while back for 275
I would suggest you try the EE here. I bought my first Aimpoint there with a LaRue mount for $300 and it was in Very Good condition. I traded an excellent H1 towards a TR24G a few days ago and the dang things both looked almost new. There are often great deals on stuff that is used but not very used. My H1 was less than a year old and had been through a two day class and another dozen trips to the range. The thing was on my gun in a case or in the safe 98% of the time. Folks here often have more than one gun and set them up the same way or differently. Mine were the same until the arrival of the TR24. So another thing often in play is some one will be switching from a C3 to a T1 and might have several to sell, some less used than others. The EE rocks some of the deals I have missed have been a bummer. I subscribe to several of the EE threads and check them in the morning.
Go with Aimpoint. You will NOT regret it. It's the Rolls Royce of rds sights and will not let you down, not to mention battery life is insanely long. Anything else is Second Place at best.
Here's one RIGHT NOW for $385 delivered. Worry about the flash hider and BUIS later.
https://www.m4carbine.net/showthread.php?t=61340