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11/22/2017 10:05:29 PM
Posted: 10/14/2004 7:02:06 AM EST
All the BUIS I see have side to side adjustments but it doesn't look like they have a height adjustment? How does that work? The A2 needs it so why wouldn't your rear site need it on a flat top?
Link Posted: 10/14/2004 7:04:29 AM EST
i depends on what you mean by a BUIS.
my BUIS is an A2 detach handle i chopped the handle part off of. so i have a full AR rear sight.
most flip up BUIS have no elevation ADJ. so you have to Adj elevation in the front sight.
ie get it close and let fly.
Link Posted: 10/14/2004 7:23:48 AM EST

Originally Posted By WS4LIF:
All the BUIS I see have side to side adjustments but it doesn't look like they have a height adjustment? How does that work? The A2 needs it so why wouldn't your rear site need it on a flat top?

The M16/AR15 existed for over 2 decades without the A2 style rear sight, so what makes you think that a height adjustment is required on a BUIS?
Link Posted: 10/14/2004 7:24:44 AM EST
Offof the top of my head I can only think of one that does, the KAC 600m.
Link Posted: 10/14/2004 7:56:58 AM EST
[Last Edit: 10/14/2004 10:26:46 AM EST by El_Roto]
.
Link Posted: 10/14/2004 9:18:53 AM EST
Adjusting elevaltion on the front site by unscrewing the center site piece?

Are flip UP BUIS as acruate as your standard A2 site?
Link Posted: 10/14/2004 9:23:44 AM EST
They can’t be Zeroed as minutely. But once you get them as close as you can they are just as precise. In most cases the optic is the same as the A2.
Link Posted: 10/14/2004 9:26:49 AM EST
Link Posted: 10/14/2004 11:49:17 AM EST

Originally Posted By WS4LIF:
Adjusting elevaltion on the front site by unscrewing the center site piece?

That's how it's done when zeroing the sights. The elevation adjustment on the rear is for all those times that you're taking a 500 or 600 yard shot and you don't want to guess the holdover.
Link Posted: 10/14/2004 1:26:16 PM EST
The LMT BUIS has elevation adjustments identical to the regular rear sight.
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