
With the BCM /M4 Flattop upper receiver, Diamondback 223 Rem & 556 NATO barrel and BCM MCMR 15" M-LOK Free Float handguard.
Updated

With the BCM /M4 Flattop upper receiver, Diamondback 223 Rem & 556 NATO barrel and BCM MCMR 15" M-LOK Free Float handguard.
Updated
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