-Colt M4 Upper (no cage code)

-PRI gas tube

-Factory 10.3" Colt Barrel with .070 Gas port

-A2 FH

NO BCG OR CH included. For barrels shorter than 16in, ALL NFA RULES APPLY.

UPC
MFG Colt
MODEL MK18 MOD 0 Upper 10.3"
TITLE Colt MK18 MOD 0 Upper 10.3"

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