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The Range
Rifle & Shotgun Discussion
AR B.U.I.S choices?
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<blockquote data-quote="okieshooter6" data-source="post: 1462715" data-attributes="member: 16299"><p>Will your front sight base be a fixed A1 A2 type sight? If not, will the FSB (gas block) be at the same height as the flat top of the receiver. I have found that although upper receiver manufacturers say they are mil spec, there are receivers that seem to vary a bit on the height of the picatinny rail. If the FSB and picatinny rail are at the same height then Magpuls are a great way to go. If your mounting to a quad rail handguard, then once again it is important to see if the top rail and the upper reciever picatinny are on the same plane. I have a drawer full of cheap sights I thought would work out for me on different builds, but then found out I wasted time and money on them. Good Luck!</p></blockquote><p></p>
[QUOTE="okieshooter6, post: 1462715, member: 16299"] Will your front sight base be a fixed A1 A2 type sight? If not, will the FSB (gas block) be at the same height as the flat top of the receiver. I have found that although upper receiver manufacturers say they are mil spec, there are receivers that seem to vary a bit on the height of the picatinny rail. If the FSB and picatinny rail are at the same height then Magpuls are a great way to go. If your mounting to a quad rail handguard, then once again it is important to see if the top rail and the upper reciever picatinny are on the same plane. I have a drawer full of cheap sights I thought would work out for me on different builds, but then found out I wasted time and money on them. Good Luck! [/QUOTE]
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