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Posted: 2/21/2015 9:12:27 PM EDT
My front sight post it backed out until it's loose just to achieve a 6 O'clock hold. The base is "f" marked so I'm not sure what's going on. The rear sight is a mbus which was used on another rifle without issue. I bought the barrel with fsb from Aero a few weeks ago. Only thing I can think of is that even though it's marked it may not be a "f" height fsb. Any other ideas?
EDIT: Found my calipers, nothing like an "F" marked fsb that measures 1.94" 
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I think DPMS makes taller front posts. Lemme see if I can find a link... ETA: http://www.midwayusa.com/Product/810857/dpms-front-sight-post-square-extended-030-higher-ar-15-matte Well, they did.  |
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Quoted:
I think DPMS makes taller front posts. Lemme see if I can find a link... ETA: http://www.midwayusa.com/Product/810857/dpms-front-sight-post-square-extended-030-higher-ar-15-matte Well, they did.
It's ok, I found a .040 taller fsp from Whindham for $5 shipped so it's all good. I am kind of ticked at Aero about this. I guess they don't understand wtf F marked is supposed to mean
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