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AR15.COM
11/15/2009 10:38:57 AM EDT
Anyone used the Marvel Precision checkering guide?  Interested in a 20 lpi frontstrap and "Colt cut" undercut.  Any online tutorials?
11/15/2009 11:27:42 AM EDT
[#1]
bring bandaids. and files only cut one way.    Good luck
11/15/2009 6:38:54 PM EDT
[#2]
I don't have the balls to try it.
11/19/2009 7:03:48 AM EDT
[#3]
Very good jig.  You still have to pay attention, it's not fool proof.  It's good though, I've used it to checker the back strap as well as the fronts.
11/19/2009 9:13:26 AM EDT
[#4]
Practice on some scrap steel rods and flats first.