The SRTA is about .06-inch shorter than the corresponding service cartridge, and has a blunt nose and projectile. The case and base that enclose the primer cap are made of brass, which is lined with plastic. The projectile is made of light-blue plastic. SRTA has an overall weight of about 114.6 grains. The muzzle velocity of the projectile is about 4,750 feet per second. Because of the light weight of the projectile, the velocity The projectile has a usable range of 25 meters and a maximum range of less than 300 meters.
NOTE: The SRTA can be used in an unmodified rifle; however, the rifle only functions as a single-shot weapon.
The M2 bolt is required to cycle the rifle when firing the SRTA (Figure C-11), and is interchangeable with the M16A1 and M16A2 rifles. Use of the M2 bolt converts the rifle from gas-operated weapons to blowback-operated weapons. The modified rifle functions in both semiautomatic and automatic modes. The bolts are stored and issued by the installation TASC. Issue of the M2 bolt is based on the percentage of troop population.
THE PROJECTILE CAUSES CONSIDERABLE DAMAGE OUT TO 50 METERS AND IS CONSIDERED DANGEROUS OUT TO ITS MAXIMUM RANGE.
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