[Man from Oz]

Sir, what does that symbol represent?

Thanks,

MFO

[Charles Martel]

It's a pictogram of the AR-15 rifle design's bolt face, courtesy of www.AR-15.com.

See?

It's a pro-2nd Amendment symbol, in general. There are others, related to other firearms. It's not as overt as "This Vehicle Insured by Smith & Wesson".