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B. Lahey · October 20, 2008, 08:10 PM

The M16A1 has a full-auto selector setting. The M16A2 is 3-round burst only. The M16A3 also has regular full-auto, but only the Navy uses it as far as I know.

October 20, 2008, 08:10 PM	#3
B. Lahey Senior Member Join Date: March 17, 2008 Location: Indiana Posts: 2,857	The M16A1 has a full-auto selector setting. The M16A2 is 3-round burst only. The M16A3 also has regular full-auto, but only the Navy uses it as far as I know.