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Pin Front Sight Base Gas block option .750 or .625

Original price was: $50.00.Current price is: $35.00.

637 in stock

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.

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. 

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

BKF Carbine FSB Assembly 14.5 (round cap)

BKF Rifle or Mid FSB Assembly 20 (Triangle Cap)

PRODUCT SKU: PINNED-FSB

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