USED Ultradyne C4 Flip-Up Front Sight Picatinny Mount Black UD10440 EDEMO1 Used Condition Like New Inspect and Rebox. Using the C4 Front Sight in conjunction with the C4 Rear Sight creates a perfectly concentric circle-within-circle sight picture...
USED Ultradyne C4 Flip-Up Front Sight Picatinny Mount Black UD10440 EDEMO1 Used Condition Like New Inspect and Rebox. Using the C4 Front Sight in conjunction with the C4 Rear Sight creates a perfectly concentric circle-within-circle sight picture...