
With the Zro Delta Forged M4 Stripped upper receiver, Yankee Hill Machine 16.5" barrel and Yankee Hill Machine Two Piece handguard.
Updated
As a truck gun ZRODelta upper Yankee Hill Machine lower trigger is awesome 10/10

With the Zro Delta Forged M4 Stripped upper receiver, Yankee Hill Machine 16.5" barrel and Yankee Hill Machine Two Piece handguard.
Updated
As a truck gun ZRODelta upper Yankee Hill Machine lower trigger is awesome 10/10

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