Posted: 4/22/2016 1:27:14 AM EDT
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I'm looking to mix & match some fronts and rears on my Glock 17. Looking to rock a 10-8 performance rear sight (love the U-notch) with a Dawson Precision front sight.
Where I'm coming across some confusion is which front sight to get. Here are the specs on the rear: -10-8 rear, compatible with .215"-.250". Their rear sight is .250" net blade above the slide. -NOT compatible in elevation with the Glock OEM, Trijicon OEM style, TruDot, Meprolight, TruGlo TFO front sights as they are too low. Now, I was originally going to just order a .250" front from Dawson and be done with it. However, I was looking at 10-8's FRONT sight options, and here's what options it had: .215", .235" and .250". Also, they make mention of this: -Most Glock models, including large frame 20/21 most commonly use the .215" front. -The .235" front lowers impact approximately 2-3" at 25 yards relative to the .215" front. -The .250" front lowers impact approximately 3-5" at 25 yards relative to the .215" front. Does my initial instinct of ordering a .250" front still make the most sense or should I be looking at a different height for the front? If the rear sits at .250", why would the 10-8 front not shoot even at 25 yards? I think my feeble mind is making things too complicated.  Thanks for any input!
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| What gun and what ammo? I have 10-8s with the .215" tall front, and I impact about 4-5" high at 25 yards with 147s. Those are pretty much all I shoot, going to try 124s today to see how those do. I could probably use the something a little taller. Also depends on your hold. These are on a G17. |
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I recently was fretting about the same .215 or .250 decision. I read every review and suggestion on the web. I too was steered in the direction of a higher post to compensate for 6oclock holds at 25 yards. I ended up sticking with a 215 and it hits poa out to 20 with a standard sight picture. Granted this is on a 19 and not a 17, and I have not had a chance to stretch it to 25 + yards too often to assess. I do know that they are solid sights and I love their performance so far.
Edit: I was referring to the 10-8 line of sights. |
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Quoted:
I recently was fretting about the same .215 or .250 decision. I read every review and suggestion on the web. I too was steered in the direction of a higher post to compensate for 6oclock holds at 25 yards. I ended up sticking with a 215 and it hits poa out to 20 with a standard sight picture. Granted this is on a 19 and not a 17, and I have not had a chance to stretch it to 25 + yards too often to assess. I do know that they are solid sights and I love their performance so far. Edit: I was referring to the 10-8 line of sights. Interesting, and the 215 hitting POA is off a standard holdover, not a 6'oclock hold right? Thanks! |
| if you are talking one of David's steel front sights... a thin piece of formica laminate glued to a metal file makes a good front fixed sight adjustment tool... rest the laminate on the rear sight and file the front sight .010" at a time until you get POA to POI .... this procedure will also put a slight taper to the front sight blade in addition to making it parallel with the top of the rear sight... start with the .250" sight and take your time... my G34 required a .245" tall front with 900fps 147s to work with my Heinie Slant Pros |