WHAT DOES GLOCK 17 GEN 5 FOR SALE MEAN?

Maryland Shooters is easily the most active and biggest Maryland gun Local community online. Be sure to check out our gun classifieds wherever you can buy, offer or trade your gear.I'm new to your Forum and to guns. I are in Montgomery County. I have a pair concerns. New to buying guns, when purchasing a gun online how is this form 77r stuffed out?