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M4 ISR 300
Region
United States
Category
Правоохоронні органи, стрілецька зброя та захист
The M4 Integrally Suppressed Rifle (ISR) 300 is chambered for the 300 AAC Blackout round (7.62x35mm) introduced by Advanced Armament Corp in 2011 to provide a more effective bullet than the 5.56x45mm round for AR/M4-style weapons. The rifle’s sound suppressor is threaded and welded to the integrated gas block, bringing the barrel length to 410mm. As well as a top rail, the system provides rails at the three, six and nine o’clock
positions.