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Old 05-02-2013, 11:32 PM
scotty99 scotty99 is offline
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Join Date: Dec 2009
Location: Newbury Park
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You have the wrong front sight. The L model is for flush rail mounting. The model you have is for mounting to a railed gas block, which sits lower than a "monolithic" rail that matches the upper's rail height. At 100 yards that .280 height difference should have you shooting more than two feet low (although you should zero your irons somewhere between 33 and 50 yards depending on who you ask).

There is a reason why Troy and Magpul command so much of the market, but honestly, I've been pretty happy with most of the UTG stuff I've bought. I would just swap out for the correct front sight before I started spending more $$. That said, the Troys are really great sights.
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