Originally Posted by kcolg5150
Good question,I bought a 21sf and then wanted more bang for the buck,bought the 21 and was very impressed and it's just so different than a 45acp round. The 10mm is to much fun(more expensive) but worth it. If i had to keep one it would be the 10mm....nasty! Love it! So much I bought a 29......even more fun in a smaller package.....it's a disease.......good luck.
The G21 and G21SF are the same caliber. .45ACP. Do you mean you bought a G20?
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