Posted: 3/26/2009 7:55:24 AM EDT
My AR has a rail height gas block with a picatinny rail. Will the MBUS work? Or are they not low-profile enough?
 thanks for your help
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Sadly, the people at magpul have announced that a front MBUS is not recomended for use with a gas block, no matter the height. I was incredibly dissapointed, because I bought my AR with a rail height gas block with the intention from the beginning of putting an MBUS up there. The problem is one of heat; granted, most of us will not put enough rounds through our rifle to heat the gas block up that much, but Magpul has always been a company concentrating on real world use, so they just recomend you use a metal front sight on your gas block.
I have a Samson FFS on my rail height gas block now. |