Was messing around the other day with a wood burning tool and a PMAG.
Turned out pretty well and am going to do some different patterns soon (like golf balls).
C4
http://www.gandrtactical.com/images/..._Stippled2.jpg
http://www.gandrtactical.com/images/...G_Stippled.jpg
http://www.gandrtactical.com/images/..._Stippled1.jpg