Nice job!
If you want those dull edges to shine like the rest of the gun, heat up a thin piece of metal (like a knife blade) and rub it along the cut edges very lightly (just let the blade touch the edge, do not put pressure on it). It should sort of "melt" the rough edge into a smooth one.
If you want those dull edges to shine like the rest of the gun, heat up a thin piece of metal (like a knife blade) and rub it along the cut edges very lightly (just let the blade touch the edge, do not put pressure on it). It should sort of "melt" the rough edge into a smooth one.