M145 Machine Gun Optic
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The M145 Machine Gun Optic is an optical sight that was developed for the U.S. Army and is commonly mounted on M240 and M249 machine guns. With the special M4 reticle option it is also in service on M4 Carbines. The M145 is unusual when compared with other optical sights in use with the military in that ballistic compensation is in the reticle, rather than in the mount. The reticle is illuminated by a battery-powered LED with varying intensity settings. The mount fits directly to any MIL-STD-1913 Picatinny rail or receiver. Zero is retained despite repeated removal and re-attachment to the weapon. The M145 is extremely resistant to shock and water immersion and has an anti-reflection device and rubber lens caps.
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