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AR15.COM
2/10/2010 6:04:55 PM EDT
Just received my first order from Larue today and I could not have been more happy.  I ordered an LT-103 BUIS to complete my first build.  But I have a question of the noob variety.  I ordered the standard A-2 model not the same plane aperture.  My build is a flat top upper with an F-marked FSB.  Should I have ordered the same plane model or will I be fine with the A-2 style?

On another note....I am so happy with my first order from Larue.  They shipped my order the day I placed it and it came loaded with swag that I didn't expect.  In the box with my BUIS was a hat, Dillo Dust, Dillo, bumper stickers, and a pocket sized Constitution.  Thank you Larue, you could not have made a better first impression.

2/11/2010 12:59:37 AM EDT
[#1]



Quoted:


Just received my first order from Larue today and I could not have been more happy.  I ordered an LT-103 BUIS to complete my first build.  But I have a question of the noob variety.  I ordered the standard A-2 model not the same plane aperture.  My build is a flat top upper with an F-marked FSB.  Should I have ordered the same plane model or will I be fine with the A-2 style?



On another note....I am so happy with my first order from Larue.  They shipped my order the day I placed it and it came loaded with swag that I didn't expect.  In the box with my BUIS was a hat, Dillo Dust, Dillo, bumper stickers, and a pocket sized Constitution.  Thank you Larue, you could not have made a better first impression.





I have the same thing you got, works fine with my f-marked FSB.



 
2/11/2010 2:48:57 AM EDT
[#2]
The same plane aperture doesn't change the height of the sight assembly.  It simply places both apertures on the "same plane".  In other word your zero will not changes if you switch from the small to large aperture.