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Default B2C

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NO CH

M4E1 Threaded 11.5" 5.56 Carbine-Length Gov Profile, Upper Receiver Group w/ 10.6" MOD 4 - Anodized Black

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NO CH

M4E1 Threaded 11.5" 5.56 Carbine-Length Gov Profile, Complete Upper w/ 10.6" MOD 4 - Anodized Black

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NO CH

M4E1 Threaded Complete Upper, 11.5" 5.56 Carbine-Length Gov Profile w/ 10.6" MOD 4 Handguard

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M4E1 Threaded 11.5" 5.56 Carbine No Forward Assist Complete Upper w/ 10.3" S-ONE M-LOK Handguard - Anodized Black

M4E1 Threaded No FA Complete Upper, 11.5" 5.56 Carbine, 10.3" M-LOK S-ONE - Anodized Black

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