Posted: 11/29/2011 10:55:48 AM EDT
will the 12.0 rail fully cover the gas block on a 18.5 inch noveske bbl with an intermediate gas system? thanks in advance 
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| Intermediate gas system? Haven't seen those. If you can measure the distance between the upper receiver to the forward end of the gas block maybe we can have a better idea. A 12" rail will cover the gas block and then some of a mid-length gas system. The 11" rail will cover the whole gas block of a mid-length exactly. |
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Oops sorry about that, for some reason I was thinking it was the same. After a little looking around I found this picture of a Noveske SPR barrel (intermediate length system)
You can compare the 13.2" LT handguard and try to judge what length might work for you. 
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