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AR15.COM
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7/11/2006 8:08:31 PM EDT
Am I correct.... the upper on the LR guns is different (taller) than the upper for the AP4 type guns?


TIA
7/11/2006 8:57:13 PM EDT
[#1]
Seems to my memory that the AP4 has the forward assist. The stock LR does not. Make sure you get one that does if you buy one. There are no notches on the carrier but the FA works on the shoulder of the BC.

That and the absence of a dust cover might make it look taller.
7/12/2006 3:38:19 AM EDT
[#2]
its taller, almost .5in.  thats why they have two diff heights of gas blocks.  made it a pia to run iron sights before the new blocks.  get the a3 height.
7/12/2006 3:32:44 PM EDT
[#3]
many thanks infsqldr
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