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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 8/19/2005 11:08:03 PM EDT
What is a A4 uper? what makes it so different from a A3 also can someone post a pic thank you.
Link Posted: 8/19/2005 11:21:43 PM EDT
basically the same, it just refers to a flattop upper for civilians


but in mil iirc it is a difference
Link Posted: 8/19/2005 11:23:06 PM EDT
Its a confusion of names. They're the same. A3 is a civilian name for a flat top upper with detachable A2 style adjustable sights. The M16A4 has the same flat top upper with detachable A2 style adjustable sights. The military M16A3 is a fixed carrying handle A2 but with full auto selector instead of the A2's burst fire. confused now
Link Posted: 8/19/2005 11:39:22 PM EDT
I under stand.
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