M16 barrel question

Rosie

May 11, 2018 14:49

In front of the sight on the M16 the barrel is smaller for a short distance. Whats the purpose of that.

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  Mobuck

  May 11, 2018 15:45

  Are you referring to the "M-4(gery)" cut? If so, that's for mounting a grenade launcher.

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  Rosie

  May 11, 2018 18:05

  I thought that might be the case. Thanks

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