the difference between a mod 21 and a mod 21SF?
Both are 45acp,
http://www.gtdist.com/ProductDetail.aspx?PartNumber=GLOCK-PX21502
http://www.gtdist.com/ProductDetail.aspx?PartNumber=GLOCK-PI21502
21SF is not listed on the Glock Site
Thanks
Randy
Both are 45acp,
http://www.gtdist.com/ProductDetail.aspx?PartNumber=GLOCK-PX21502
http://www.gtdist.com/ProductDetail.aspx?PartNumber=GLOCK-PI21502
21SF is not listed on the Glock Site
Thanks
Randy