I searched for a Bill of Sale sample or template today. I did not find one here but, I just did a simple search. Forgive me if this has been posted already. Point me in the right direction if I goofed. Anyway, I did find a couple of documents that might prove useful:
http://texasguntrader.com/billofsale.pdf
http://www.freebillofsaleform.org/freebillofsaleform/Gun-bill-of-sale.rtf
"A Bill of Sale is a document made by the seller to the purchaser that is legal and binding for a specific date of sale, specific sum, and location of transaction. The seller sold the purchaser an item of property whether personal or real estate that is lawfully the seller’s to sale to the purchaser. The Bill of Sale is an instrument that transfers title of personal property to another individual."
http://texasguntrader.com/billofsale.pdf
http://www.freebillofsaleform.org/freebillofsaleform/Gun-bill-of-sale.rtf
"A Bill of Sale is a document made by the seller to the purchaser that is legal and binding for a specific date of sale, specific sum, and location of transaction. The seller sold the purchaser an item of property whether personal or real estate that is lawfully the seller’s to sale to the purchaser. The Bill of Sale is an instrument that transfers title of personal property to another individual."