not on a gun but here it is



One place to shop for it.

http://turkey-shoppe.nwtf.org/product152.html



You may want to look at Nikon Monarch too.

http://www.binoculars.com/rifle-scopes/rifle-scopes/nikonmonarch1545x20turkeyprocamo.cfm



The Nikon Iuse and it isin Matte finish and I really like it. it does come in camo

The reticle for the Monarch
http://images.binoculars.com/mgen/digimarc.ms?img=inuse:NIKO125.jpg&h=400&w= 400


JW