Sight upgrade compatibility for RRA fixed A2 sight ?

[Stomper]

I have yet to receive the upper! lol

NO EXCUSES!!

 

[RobMa]

I've carried guns as a part of my job for 17 years. Not being a SWAT guy means I get issued something and I use it as-is. It's never gotten in the way of being able to shoot it effectively. If you build it and shoot it, you'll be able to make it work regardless of an RCH worth of difference between apertures or posts.

I couldn't tell you how big my front sight post is, but I hit what I'm aiming at. My rear sight has a flippable aperture thingy with a big hole and a little hole. I just leave it on the big hole because if I really NEED them, it will be up close. If something is far enough to need a smaller aperture, I can get away and fix or replace my gun.

As an LE guy, I have no need for range finding reticles and all that. I just won't ever be involved in engaging anything far enough to need to holdover out to 250 yards with the 5.56 stuff we get issued (50 yard zero). To me, that's realistic for a civilian.

Just food for thought. Here are some pics of my 11.5 and the sights that are on it, which are Troy HK style with a comparison between big hole and little hole. The sight is an Aimpoint. My lack of knowledge on specs doesn't keep me from hitting whatever I want.

View attachment 1028606View attachment 1028605

Same here when I was on the job, its just now that I can build something myself I want to learn a little more then just point and shoot... Thanks for chimin in; its nice to speak to a fellow LEO, (I am retired now, went into medicine).

 

[RobMa]

NO EXCUSES!!

I will go to the range with just the lower and my finger and go "pew" pew"

 

[Diamondback]

I've carried guns as a part of my job for 17 years. Not being a SWAT guy means I get issued something and I use it as-is. It's never gotten in the way of being able to shoot it effectively. If you build it and shoot it, you'll be able to make it work regardless of an RCH worth of difference between apertures or posts.

I couldn't tell you how big my front sight post is, but I hit what I'm aiming at. My rear sight has a flippable aperture thingy with a big hole and a little hole. I just leave it on the big hole because if I really NEED them, it will be up close. If something is far enough to need a smaller aperture, I can get away and fix or replace my gun.

As an LE guy, I have no need for range finding reticles and all that. I just won't ever be involved in engaging anything far enough to need to holdover out to 250 yards with the 5.56 stuff we get issued (50 yard zero). To me, that's realistic for a civilian.

Just food for thought. Here are some pics of my 11.5 and the sights that are on it, which are Troy HK style with a comparison between big hole and little hole. The sight is an Aimpoint. My lack of knowledge on specs doesn't keep me from hitting whatever I want.

View attachment 1028606View attachment 1028605

OP, this guy's "work gun" is probably the best situational "role model" for your purposes.

 

[RobMa]

OP, this guy's "work gun" is probably the best situational "role model" for your purposes.

BCM charging handle and a Aimpoint comp M5... looks like a great start!

 

[No_Regerts]

BCM charging handle and a Aimpoint comp M5... looks like a great start!

It's an all-bcm 11.5. I prefer the Aimpoint for all the same reasons anyone else does.
Battery life, the dot is clearer to me than the donut of death from eotech, the dot is precise enough to make 300 yard hits on a 12 inch gong really easy, and the dot doesn't seem fuzzy when set for daytime brightness.

 

[CV-66]

I just purchased a RRA fixed rear sight directly from the manufacturer : https://www.rockriverarms.com/index.cfm?fuseaction=category.display&category_ID=1735

(I called to get actual shipping cost since they don't tell you up front what it will be )

While I was on the phone I enquired into these: https://www.rockriverarms.com/index.cfm?fuseaction=category.display&category_ID=1714

The salesperson referred me to one of the techs and he said rather abruptly that they would not work in their A2 sight??? Does this make sense?
He insisted that they would only work in the/a A2 carry handle with built in sights; you would think they would make their items compatible to possibly increase sales? Am I missing something here?
Another member was nice enough to refer me to an higher end replacement for the aperture to the exact sight that I purchased and that he said would work with the RRA fixed sight, so this part will work but not the manufacturers own upgrade??

These are both RRA parts:
View attachment 1028349View attachment 1028350

Here is the link and a picture to the other upgrade that our forum member was nice enough to let me know about.

CLE National Match A2 Rear Sight Base, Complete

The CLE National Match Rear Sight comes with Hood, Aperture, springs, detents, and roll pin. Your choice of 1/4 MOA and aperture size. All springs, detent balls, and roll pins needed for installati…

compasslake.com

View attachment 1028351

Any input would be helpful

Thanks
Rob

Rob, I think what RRA was attempting to convey was the incompatibility of some of these NM components for use in swapping out those similar parts used in their stand alone rear sight. The component that won't interchange is the largest part; the sight housing with that threaded elevation shank. The NM sight assembly they offer has length dimensions specifically required for compatibility with the A2 receiver. The rear sight bases used in the detachable carry handles and stand alone sights have threaded shaft lengths that are shorter . I think they gave you accurate information and were probably trying their best to ensure you get what you want rather than just making a sale.

 

[osprey]

I've carried guns as a part of my job for 17 years. Not being a SWAT guy means I get issued something and I use it as-is. It's never gotten in the way of being able to shoot it effectively. If you build it and shoot it, you'll be able to make it work regardless of an RCH worth of difference between apertures or posts.

I couldn't tell you how big my front sight post is, but I hit what I'm aiming at. My rear sight has a flippable aperture thingy with a big hole and a little hole. I just leave it on the big hole because if I really NEED them, it will be up close. If something is far enough to need a smaller aperture, I can get away and fix or replace my gun.

As an LE guy, I have no need for range finding reticles and all that. I just won't ever be involved in engaging anything far enough to need to holdover out to 250 yards with the 5.56 stuff we get issued (50 yard zero). To me, that's realistic for a civilian.

Just food for thought. Here are some pics of my 11.5 and the sights that are on it, which are Troy HK style with a comparison between big hole and little hole. The sight is an Aimpoint. My lack of knowledge on specs doesn't keep me from hitting whatever I want.

View attachment 1028606View attachment 1028605

RCH ?

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[RobMa]

RCH ?

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????

 

[Diamondback]

"Rat's Chest Hair"?

 

[No_Regerts]

"Rat's Chest Hair"?

Bingo........ish