MNGunTalk.com

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I bought a used 1911 with a JPoint mounted on it few years back. Two things from my experience:
- it was on a mount that fit into existing sight dovetail that made it sit considerably higher, it was hard to get used to
- I learned that I have mild astigmatism, as the nice dot is more of a small “star” to me

So in the end, I took the JPoint off and installed a Fiber Optic front with black rear.

When I decide to try this again, I will definitely get a pistol with a pre-milled slide or send one of my pistols to get the slide milled so the optic sits lower.

I have a Holosun 507c on a G17.
I put it on my Buckmark last summer to try it out before I spent the money to mill the slide on the G17.
It got banged around quite a bit and works perfectly. I like the shake awake feature too.

The Holosun has the same mounting as the Trijicon RMR at almost half the price.

I have used vortex venoms (3 moa dots) on 3 different guns. I have been very happy with them. You might get a crisper dot by spending more money but considering the price, and lifetime warranty I dont think you can go wrong with a venom. All have stayed sighted in, great battery life, and adjustable brightness is great for "precision" shooting and quick target acquisition. I haven't tried a 6 moa version but I dont think I'd like it. 6 moa I believe means it's going to cover 1.5" at 25yds and thats too big imo for shooting groups or sighting in.

I have three Burris units and really like them. Features I looked for were dot size, manual brightness adjustment and ease of battery replacement. I run one on a 34 MOS, one on 625 and the last on a 929.