On Monday, May 26, 2014 9:30:38 AM UTC-7, BAR wrote:
In article ,

says...



On Mon, 26 May 2014 07:59:02 -0700 (PDT), Tim

wrote:



Scott, that term i believe is to describe thee slide action on the top of the Colt and it's like forms....



He probabl;y means a gun with the Picatinny Rail system. That is a

universal mount for all sorts of optics, lasers and lights.



OTOH a "rail gun" is a magnetic accelerator that can get something

going real fast (like "launching into space" fast)



http://www.colt.com/Catalog/ColtPist...Gun%C2%AE.aspx



The Colt Rail Gun is a Colt Rail Gun.

OK, so... now Colt has trademarked the term...