I absolutely love the LMT fixed sights. I'm ergonomically used to them, they aren't expensive, and they have worked well for me.
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I absolutely love the LMT fixed sights. I'm ergonomically used to them, they aren't expensive, and they have worked well for me.
Luke 2:14
USMC 03-08
Matech - dirt cheap on eBay and genuine US government issue, used by our troops in the sandbox. Doesn't get any better than that.
I like my Troy buis. My patrol carbine takes a beating in the trunk and it has never loosened or moved around. I like the Matech as well.
Fixed = LMT Rear with thumb screw replaced with a 10/32 lock-nut.
Folding = KAC 600M
Daniel Defense A1.5.
But what then is capital punishment but the most premeditated of murders, to which no criminal's deed, however calculated it may be, can be compared? - Albert Camus
The more I shoot, the more I appreciate a rear sight that's always up.
I have found that there are plenty of times, especially when going from light to dark or dark to light conditions that I just can't see my dot until my eyes adjust or I turn up the dot.
I originally thought that BUIS were for when the optic broke, lately I've been thinking it's more of a second option in varying light conditions.
That being said, I'm thinking about putting my DD A1.5 back on and ditching the Troy flip up.
ETA: I use a Troy flip-up mounted in T-2. It makes it easier for me to get at the charging handle and when the sight was all the way back in T-1 it would occasionally hit me in the nose. Especially with a TA-01NSN.
Last edited by samuse; 11-30-11 at 23:32.
Although not my “favorite,” I recently received a Brownell’s 360 series (HK-style) rear sight that I am going to try out.
While it is a bit on the high side (slightly less than one inch) when folded down, it does not interfere with any of my optics.
What I like about it so far:
Heavy duty: if my primary goes down, I like the fact that this sight sill appear to hold up under the roughest conditions until I replace it. I think I could drop it, while deployed in the up position, numerous times on concrete from realistic (say, 5 feet) heights without doing incapacitating damage.
Multiple apertures: I don’t see a need for four apertures: three graduated from 100-300 yards, and, a large aperture, but I could find a use for at least two.
Significant Detents: When in the “up” position, it is fairly sturdy. While I can induce a for-aft wobble with some finger pressure, it always appears to snap back to its normal position. It is not going to fold back unless I give it a good push. While I can push it back to an interim position where it will stop halfway between folded and deployed, it is obvious that it is out of position and can be cured with a slight push forward. The rotating aperture drum will not move without some significant effort wither.
Slightly smaller large aperture: I’ve always thought the standard 0.19”-0.2” apertures were too large, even for close, fast, shooting. The large aperture on this sight is 0.16”.
What I don’t like:
“U” shaped apertures: When sighting, some apertures appear as “U”s rather than “O”s. This is due to the relatively thin metal at the top of the aperture when using the lare and 300 yard apertures. It also appears to be part of the sight design. (Perhaps those with different cheek welds will “see” it differently.) I don’t think this is a deal breaker.
Large attachment nut: The nut is heavy and capable of accepting a slot screwdriver, but sticks out so far a hasty grab for the CH could result in snagging the nut by accident. The nut is not captured and could easily fall off without Loctite, or, be replaced by something less intrusive (extrusive?).
Rotating sight aperture adjustments: The drum only rotates counter-clockwise. Starting from the large aperture, the next is the 300 yard, then the 200, then the 100, then back to the large. This make sense, if you are transitioning from a 50 yard/220 meter zero use to a 300 + yard shot. (If, the sight is properly calibrated, and I must check this.) Otherwise, you will have to make two additional stops to get to the 100 yard aperture. All depends on how you want to use the sight, I guess.
Weight: Not sure how much it weighs, but it is more than any other BUIS in my collection.
'That whole effort was held together by sweat, shame, and a tiny bit of pride.' -- Son of Commander Paisley
Yankee Hill Machine.... it's simple, and it's bullet-proof..... no, make that bomb-proof!
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I'll probably get jumped for saying this, but Magpul MBUS. They just work.
I've put a couple sets pretty well through the ringer. Things that would have bent iron sights didn't even phase the MBUS. They just absorb the shock, and spring right back into place.
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