m4a1

An official Knights Armament M4 Carbine RAS (Rail Adapter System). Originally developed for use on the US military’s M4 and M4A1 Carbine. Highly sought after and perfect for anyone that’s looking to build an M4/M4A1 Carbine clone. It is used but in VERY good condition. It also includes two (2)...

Exactly what I would have expected. Despite the Army's claims of a 500 meter point target effective range for an M16A2 we all knew that 300 meters was more like the effective limit. 400 does seem doable however and remains in line with the Army's traditional 400 yard effective range standard. I...