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AR15.COM
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8/28/2005 9:39:24 AM EDT
i just ordered a MB from oly for my 9 mm its the one that uses 4 set screws. well i just received it and i would like to put it on.  it has 3 round 1/4" holes on two sides and 3 slits on one side and the other side has nothing. do the slits go on top or does the blank side go on top.
thanks
dj1075
8/28/2005 4:24:55 PM EDT
[#1]
Slits  go UP (on top)  -  Oly put mine on that way!  -  Be sure to use a dab of Locktite blue (#243) on the allen screw threads, as they WILL shoot loose.  Good  Luck,  ALLONS11
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