No. Craigslist does not permit firearms, and they will delete your posting there.
From craigslist-
Partial list of items for sale and services the advertisement of which is not permitted on craigslist:The most common place is the web. Places like "Craigslist" or "Gunauction" sell used Air guns and rifles, or you can try local free newspaper in your area.
Craigslist
Cap guns, yes, but not the caps to go with them.
You sell it on craigslist or ebay
Try Craigslist on the web. You get what you pay for...
Yes, you can sell your dining room furniture on Craigslist. You can sell almost anything on Craigslist as long as it isn't obscene, illegal or offensive material. Here's the link to the list of prohibited items on Craigslist: http://www.craigslist.org/about/prohibited. Items
craigslist? how to sell my motorcycle
go to a beach and sell it or go on craigslist sell it
Yes you can.
Some Walmarts do sell guns, and some do not sell gun and these may never sell them.
It is listed under sporting goods
You can definitely sell your iPhone on craigslist. The only problem with craigslist is that you will have to meet the buyer in a safe, public location. You don't just ship it off like ebay.