How the AR 15 / M4 DI or Direct Impingement System Works

Channel: sootch00


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Fun Gun reviews Presents: "How the AR 15 / M4 DI Direct Impingement System Works". Demonstrating the way the Bolt, Gas system, and Recoil functions in the AR-15 /M4 carbine.

Windham Weaponry Website:

Thanks for watching~ Sootch00

Music: "Military Operation" Pond 5