Quote:
Originally Posted by shlike
I have a Bushnell TRS-25 on my 15-22 with the UTG low riser, which co-witnesses perfectly with the BUIS. The TRS-25 can be had online for well under $100.00 and is a quality optic for the price. Mine is dead-nuts at 100 yds.
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Aparently there is a new version of the TRS25 (white lettering on the side rather than gold) that has some issues.
I have the original TR25 and it's worked great for 6 years.
I have both the open and tube type red dot/green reflex sights and I prefer the closed version.
Both
versions operate on exactly the same optical principle. I personally think the closed tube units are stronger and easier to keep clean.
In most of the cheaper open reflex sights the windage/elevation adjustment mechanism is open to dirt on the bottom side of the unit. Recently, I was at the range with a friend and dirt in that area prevented him from zeroing in that day.
There is a third option. That being the true holographic sights. As near as I can tell, only Eotech currently sells one. I believe Bushnell did at one time. There are a lot of cheap knock offs but they are NOT true holographic (using laser on a hologram image).