Product Description
Billet M16 Upper Receiver from USGI Contractor, Model 635, Black Type 3 Hard coat Mil Spec Anodized with DFL, 7075 T6, comes with port door
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Billet M16 Upper Receiver from USGI Contractor, Model 635, Black Type 3 Hard coat Mil Spec Anodized with DFL, 7075 T6, comes with port door