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Upper Components
> SIONICS M4 Upper Receiver - Assembled
SIONICS M4 Upper Receiver - Assembled
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$119.95
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Out of Stock.
Part Number:
M4URAS
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Description
Customer Reviews
SIONICS Weapon Systems M4 Upper Receiver
Material: Forged 7075-T6
Features: M4 Feed Ramps - Dry Film Lubricated - Engraved T-Markings (Color Filled)
Ejection Port Cover and Forward Assist Installed
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