I have done a few, the 21 isn't very popular for grip chops. I have done tons of 17,22,23,19 chops. Here are a few pictures of a 23 and a 19 chop. The customer of the 23 wanted the pistol to retain a factory look. Essentially the same thing on the 21, the chop is performed and the mags are fitted to it.
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"DUMP THE HUMP"
Last edited by TexasPOff; 04-06-2013 at 15:29..