223/5.56 Front Sight Base Jig REV0

These will likely be the last  of the REV0 FSB jigs as we transition to only the REV1 version fabricated in house.

Front Site Base installation jig 

This jig is used to install undrilled front sight bases on undrilled barrels. Can be used to used to install undrilled FSB's on previously drilled barrels using certain setups. 

Specs:
 Cold rolled carbon steel
 CNC machined
 Slotted locations for pistol, carbine, midlength and rifle gas systems
 Includes 1/4"-28 tpi soft point set screw,  8-36tpi x 1" cap screw for FSB, one #31 HSS bit, 1/8" hex key and a 9/64" hex key.
 Assembled with button head cap screws

Please E-mail us for PDF instructions.

DISCLAIMER:
The use of this product does NOT guarantee a properly indexed front sight base.  Machinist should independently confirm proper jig square and sight alignment before drilling the front sight base and barrel. Jigs can be bumped out of square and should be checked prior to use. If you have any questions or concerns, send me an email. Thanks!