Some states publish statistics indicating how many residents hold permits to carry concealed weapons, and their demographics. For example, Florida has issued over 1.6 million permits since adopting their law in 1987, and had more than 600,000 currently-licensed permit holders as of November 31, 2009.[2] Reported permit holders are predominantly male.[3] Some states have reported the number of permit holders increasing over time.[4]
The numbers of permit revocations are typically small.[5][6][2]
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Two common types of flash suppressors are the duckbill and birdcage suppressors. Duckbill flash suppressors have upper and lower “prongs” and direct gases to the sides. Early M60 machine guns and some early M16 models featured this type of flash suppressor. One disadvantage is that the prongs can become entangled with vines or other natural vegetation and objects in the field. Birdcage types still have prongs, but also feature a ring on the front to prevent vegetation from entanglement between the prongs. Another type of flash suppressor is a flash moderator, such as used on some CAR-15 models. An example of a cone-shaped hider is on the Bren machine gun and some models of the RPK and German MG3.
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