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Posted: 2/17/2006 10:28:47 PM EDT
[Last Edit: 2/17/2006 10:29:55 PM EDT by txwxgirl]
Don't confuse me with A4's yet. From my studies, I've gathered that these mostly refer to the carrying handle. The A1 is fixed. The A2, you can put a scope on, or remove? And the A3 is a flat top. Is this correct?
If I'm right with those, confuse me with the A4's. But please be kind.

Eta: Can you only put a scope on the flat top or the A2 as well?
Link Posted: 2/17/2006 10:34:59 PM EDT
[Last Edit: 2/17/2006 10:37:09 PM EDT by ALPHAGHOST]
sounds good...sort of

the A1 has the older style non-drum adjustable sights (for elevation) that adjust only for windage--must use a tool or bullet to adjust
the A2 has the more complicated drum sights that have both elevation incrament and windage adjustable wheels that require no tools to manipulate

the front post sights are also slightly different (round vs square, 4 prong vs 5 prong adjustment base)

both A1 and A2s have the carry handle built in the upper so both will accept optics w/ proper mounting

A3/A4 is flatop--nowadays, most have 'T' marks to mark incraments so you will remember where your optic goes on if you ever take em off
--best for optics mounting (lower to bore, provides proper cheek weld, and more natural positioning when in use)

at first i thought you were talking about stocks....
Link Posted: 2/17/2006 10:39:21 PM EDT
Heh as a fellow Texan I will try to be nice

A1 and A2 both have carry handles, but have a different rear sight adjustment system (I have never had an A1 but my understanding is that they don't have the bullet drop compensator, and their windage adjustment uses a tool rather than a thumb knob). Neither has a removable carry handle. An A3/A4 is a flattop which may or may not come with a removable carry handle. A4 is the military designation for the flat top, and I think A3 is just used by some civvie manufacturers and A4 by others, although someone correct me if I'm wrong.

A1 and A2 have a mounting hole in the carry handle that can be used to mount sights, whether directly through the hole or using a rail mount that attaches to the hole.
Link Posted: 2/17/2006 10:55:23 PM EDT
An M16A3 is an M16A2 with an auto setting instead of burst. The Navy has them, as I understand it. A4 is flat top.

A1 is the better field iron sight setup.
Link Posted: 2/18/2006 3:40:53 AM EDT
This is an A1. windage only. not removable. original style


This is an A2. windage and elevation. not removable


This is an A3 " flat top "


This can be added to an A3 to make it an A2 style it is removable




Hope it helps

Invisiblesoul
Link Posted: 2/18/2006 6:12:50 AM EDT
You have to look at the A4 models unless you are talking stricly civillian market.

All A1's have a fixed carry handle and the older style sights.

All A2's are fixed carry handle with the more adjustable sights.

Civillian A3's are flat tops with removeable carry handles (or the bastard of a company sells them separately).

Military A3's are fixed carry handle, but have auto instead of burst.

Military A4's are the flat top models with safe/semi/burst.

Some manufacturer started calling their flatop an A3 before the military adopted it's version.
Link Posted: 2/18/2006 7:32:49 AM EDT
take a look at this link it sould answer a lot of your questions

www.biggerhammer.net/ar15/
Link Posted: 2/18/2006 7:59:51 AM EDT

Originally Posted By TheInvisibleSoul:
This is an A1. windage only. not removable. original style


This is an A2. windage and elevation. not removable


This is an A3 " flat top "


This can be added to an A3 to make it an A2 style it is removable




Hope it helps

Invisiblesoul



perfect post!
in a nut shell, good job
Link Posted: 2/18/2006 8:00:03 AM EDT
even biggerhammer said the flat top was introduced by the military as A3, but the poster above had it right, military "A3" is just an "A2" with full auto instead of burst. (7500 were made by FN for the Navy.) Military "A4" and some civilian maker's "A3" refers to the flat top.
Link Posted: 2/18/2006 8:07:28 AM EDT

Originally Posted By CB1:

Originally Posted By TheInvisibleSoul:
This is an A1. windage only. not removable. original style
i48.photobucket.com/albums/f248/theinvisiblesoul/a1ur.jpg

This is an A2. windage and elevation. not removable
i48.photobucket.com/albums/f248/theinvisiblesoul/a2ur.jpg

This is an A3 " flat top "
i48.photobucket.com/albums/f248/theinvisiblesoul/vur.jpg

This can be added to an A3 to make it an A2 style it is removable
i48.photobucket.com/albums/f248/theinvisiblesoul/9349063-9.jpg



Hope it helps

Invisiblesoul



perfect post!
in a nut shell, good job





Actually the fist one is a C7.
Link Posted: 2/18/2006 8:09:16 AM EDT
Thanks! That all helped alot. I won't know if I don't ask.
Link Posted: 2/18/2006 8:16:48 AM EDT
[Last Edit: 2/18/2006 8:17:26 AM EDT by desertmoon]

Originally Posted By txwxgirl:
Thanks! That all helped alot. I won't know if I don't ask.



Darn skippy, never be afraid to ask. Though with ARs a lot of info can be taken with sort of a grain of salt, there are SOOOOO many mods, changes and exceptions and changes that I don't think there are really any rules to the AR game anymore.

I quite trying to make sense of it a while ago.
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