Posted: 1/24/2013 2:43:20 PM EDT
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So, I went to sight in my new Daniel Defense barreled upper. I used the DD Mid length CHF LW FSP 16", new barrel. It shot very low at mechanical zero. I went to lower the front sight post and it would not budge. The detent depresses nicely but the sight would not turn. I have ordered a front sight tool to increase the efficiency of my efforts. But honestly, that thing would not move. My BCM's, Colt's, FN's, and others have never had such difficulty. [EDIT: Not a slam against DD.]
I haven't ever heard of this circumstance, irrespective of manufacturer. Also, I have never experienced it personally. Is this a known circumstance? |
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It will not move in either direction.
Consequently, I plan to attempt to elevate the post before I lower the post. ---After the tool arrives, that is. Actually, I expect to remove the post entirely in order to attempt diagnosis of this issue. I have no problem with filing off the top or the bottom of the post as necessary. I am also willing to purchase a separate better fitting post. (This will be an upper for my young sons.) |