The SR-25 was first conceptualized with its primary. The production of the earliest model SR-25's started in 1989. Knight's Armament has 21 years of experience in 7.62mm development, refinement, and service. Knights SR-25 Enhanced Combat Carbine with 16' Dimpled Barrel.The direct impingement system allows for good accuracy and all versions are fitted with free floating heavy match barrels. The SR-25 is an M16 chambered in the 7.62x51mm round and in effect is a heavily modified Stoner AR-10. The SR-25 is known for its accuracy and it is easy to use by those accustomed to M16 type rifles.Community solar reviews Chaser drone 6 axis gyro instructions