The M18 is a compact version of the M17. Both are used by the U.S. Army, Navy, Air Force and Coast Guard. The SIG Sauer P320-M18 is a 9mm, striker-fired pistol configured nearly identically to the military’s model. It features a SIGLITE front night sight and a removable night sight rear plate, black controls, a carry-length coyote-tan grip module, and an ambidextrous manual safety, according to a news release issued by the company on Tuesday.
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