WTS Sons of Liberty Gun Works M4-76 13.7 inch upper pinned and welded with NOX muzzle device. Round count about 500. Runs absolutely perfect, never malfunctioned.
Charging handle has paint from being used briefly on a different upper. QD sling mount has witness marks as pictured.
$900 $850 $800 shipped
Charging handle has paint from being used briefly on a different upper. QD sling mount has witness marks as pictured.
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