Pin Front Sight Base

We have F marked and Non F marked Front Sight Bases available. Generally, builders will want to use a “Non-F” Marked for carry handle uppers, and “F” Marked for flat top uppers. Please Specify in your order notes which FSB type is to be installed.

Description

Service fee for pinning the front sight base to the barrel. BKF .750 or .625 FSB. We drill and ream the hole then install the taper pins.

Carbine comes with round cap and rifle length is for triangle cap. Must purchase one of these along with the service.

Additional information

Front Sight Base Size	.750, .625
Font Sight Base Marking	F-Mark(for flat top upper), Non F-Mark (for retro/carry handle uppers)
End Cap Style	Triangle Cap, Round Cap

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