AR15 FSB Install of your new FSB



This is for the installation of your new USGI FSB on your new or used barrel. We do NOT install or reinstall pre drilled FSBs.
FSBs will be installed to Mil spec Mil-C-70599A section 3.4.6

“The normal rear sight peep (sight rotated fully rearward) shall be used with the rear sight set centrally in the slot for windage within plus or minus five (5) clicks.”

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All sales are final, there are NO returns on any firearms, parts or accessories.
On special occasions, purchased items (firearms excluded) in their original, unopened packages may be exchanged for store credit.