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9/22/2017 12:11:25 AM
Posted: 12/16/2003 10:57:19 AM EDT
Someone commented that standard A2 style rear apertures vary insofar as the height (over bore) of the center of the small aperture vs. the height of the center of the large aperture. Something about the small aperture being a bit higher because it would typically be used for shooting at targets over a greater distance.

Anyone know if this is true for the ARMS #40 ?
Link Posted: 12/16/2003 12:22:59 PM EDT
Link Posted: 12/16/2003 12:32:11 PM EDT
Troy, it has been my experience that when the large aperture is set up with a 50yd/200m zero, the small aperture is actually zeroed at about 400m and about 5" high at 100m w/ SB SS109. Haven't been able to verify any of the longer ranged zeros of the small aperture; but based on how high it is hitting at 100 and 200, I'm thinking that the small aperture will be zeroed high for 300m if the large is set up for IBZ.
Link Posted: 12/16/2003 2:24:01 PM EDT
Link Posted: 12/16/2003 4:11:31 PM EDT
Not to Hi-Jack the thread, but please help a knucklehead on this, I ask: Simply put, when achieving IBZ with the ARMS 40, at 50 yrds, should point of impact coincide with point of aim using the larger aperture? thanks....
Link Posted: 12/16/2003 5:10:44 PM EDT
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