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View Full Version : Simple Stupid part 2, A3?


Gigan
10-17-2009, 5:02 PM
What does the A3 denote in an upper assembly as opposed to what other type of upper?:conehead:

Acorn556
10-17-2009, 5:04 PM
A3 = flat top (rails)
A2 = Built in Carry handle and elevation & Windage Adjustment
A1 = Old school...I think it had elevation but not windage....or vice versa.

Gigan
10-17-2009, 5:10 PM
thanx Acorn!

aileron
10-17-2009, 5:24 PM
A1 = Old school...I think it had elevation but not windage....or vice versa.

Windage not elevation, and you had to use a bullet to depress the detent at the lowest point of the windage wheel to turn it.

http://98.196.65.94/retroblackrifle/sitebuilder/images/602-RearSight-sm-124x146.jpg