12.5 5.56 Upper (No BCG) (Used) Listing ID: 3048315

Unbranded aluminum upper receiver

Ballistic advantage barrel

Carbine length gas tube

Unnamed gas block

BCM Handguard BCM-MCMR-10

Surefire flash hider SF3P-762-1/2x28 (Not pinned and welded)

Used 100 rounds through it

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