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9/22/2017 12:11:25 AM
Posted: 9/15/2005 2:59:01 PM EDT
Can someone explain the differences between these thress versions?

I know the L stands for low but what is low oe lower than the others?

I just don't want to buy the wrong one. I t will be going on a Bushmaster M4A3 16" carbine with the carry handle removed and a EOTech installed on the forward part of the rail.

Thanks
Link Posted: 9/15/2005 3:12:29 PM EDT
The 40L is lower in provile when stowed so that it can fit under a scope . Not a problem if you use an eotech. The 40L also flips up with the small aperaturee in place. to get the large aperature you neeed to take your figernail and flip one of the leafs down. It then needs to be fliped back up with your finger nail before it can be closed again.

The 40 flips up with the large aperature using the standard A2 site leaf. it may be fliped to the small aperature just like normal with your finger tip. But it must be put back to the large aperature before closing.

Other than that, they are the same in sight picture
Link Posted: 9/15/2005 5:20:59 PM EDT
Link Posted: 9/16/2005 4:12:21 AM EDT
OK, so what is the 40A? Thanks much
Link Posted: 9/16/2005 4:39:30 AM EDT
Link Posted: 9/16/2005 9:04:18 PM EDT

Originally Posted By Dragonfly228:


The 40 flips up with the large aperature using the standard A2 site leaf. it may be fliped to the small aperature just like normal with your finger tip. But it must be put back to the large aperature before closing.




I really don't mean to be a pain, but I don't understand the distiction. So the #40 doesn't use a standard A2 type aperture, but the 40A does? I haven't actually seen any of these other than pictures, and I don't have a stocking dealer anywhere around. I certainly do appreciate the help!
Link Posted: 9/17/2005 3:46:49 AM EDT
Link Posted: 9/18/2005 8:49:24 PM EDT
OK, last question in this regard...

Wouldn't this (same aperture as standard A2) fact make the 40A much preferable to the standard #40? Am I missing something? Maybe it's bigger, clunkier, blah, blah...??

Thanks!
Link Posted: 9/19/2005 4:32:43 AM EDT
Link Posted: 9/19/2005 5:06:18 AM EDT
[Last Edit: 9/19/2005 11:38:11 AM EDT by PALADIN-hgwt]
I like the 40L-sp better than the 40A2, mainly because flipping the A2 aperture each time it is deployed [ETA: at the target range while shooting groups with 50 year old eyes!] takes an extra step. Then it must be flipped again to stow. But mounted behind an EOTech the excess height is not an issue.

In fact, when mounting a Leupold 2x7 scope the rear lens ended up just in front of the 40A2 BUIS anyway, so it's height was still not an issue for me.

The sight picture of the 40L-sp seemed somehow different than when using the small A2 aperture. I don't know if it is from the flat rear surface facing ones eye vs. the "dished in" A2 small aperture or what, but I like it better.

Paladin
Link Posted: 9/19/2005 7:29:13 AM EDT

Originally Posted By PALADIN-hgwt:
I like the 40L-sp better than the 40A2, mainly because flipping the A2 aperture each time it is deployed takes an extra step. Then it must be flipped again to stow. But mounted behind an EOTech the excess height is not an issue.
Paladin


Huh?

Let me get this straight. When "folded", the ARMS 40A2 sight requires one to have the "0-2" (ghost ring) aperature in the ready-to-use position? Right?

And you don't like that so you flip the "0-2" aperature over in lieu of using the smaller one? Seriously? For shots under 200yds? May I ask why?

Just curious as I have no problem hitting even small (6") steel plates out to 200yds using the "0-2" aperature.

Eric
Link Posted: 9/19/2005 9:27:42 AM EDT
I don't have to justify my preferences. I think I was clear about why they exist in regard to the 40A2 vs. 40L-sp comparison this thread is about.

More power to you using the Low Light aperture at 200 yards, but I find that in West Texas my eye gets plenty of light using the smaller aperture. You use the large aperture, I'll use my smaller one, and we can "shoot for beers" someday at 200 yards with irons...

Paladin
Link Posted: 9/19/2005 10:14:51 AM EDT
[Last Edit: 9/19/2005 10:44:49 AM EDT by eric10mm]
Sorry, I was just attempting to clarify that your reported "problem" was just due to your personal preference, not any recognized doctrine.

Eric
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