Thumb Score: +1

Amazon has a gun duster for $ 4.55 and free shipping with Prime. This is a "Best Price" per Camel x 3.
(I was looking for canned air and found this deal instead…)

Link: http://www.amazon.com/Winchester-…ref=sr_1_4

Description:
Winchester Gun Duster comes in a net wt 3.5oz can. It is an all purpose sterilized cleaner that removes dust from all internal and external surfaces of fire arms. Great for cleaning optics and scopes. It is safe on plastics, non-abrasive and leaves no residue. It is small and compact, easy to store in a gun case. We are the only Company that makes this product.

* Sterilized all-purpose cleaner (not canned air, I think)
* Safe on plastics
* Non-Abrasive
* Great for Optics and Scopes
* Small and compact

Hope this helps someone. There are 20 left in stock as of this posting.