AR .223 M4-A2 Flattop
![AR .223 M4-A2 Flattop](https://gunvalues.gundigest.com/gunValues/images/Firearms2017_Fall/large/h-20369.png)
Features flattop rail, match bolt and carrier. 16" barrel has integral compensator. Single-stage trigger. Knights Armament Systems rail adapter. Bear Coat finish. Introduced in 2000.
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