front sight base FSB .625 w/o bayonet lug

$15.99 $22.99

Brand: Mil-Spec
Product Type: Upper Parts

Product Description

 front sight base FSB .625 w/o bayonet lug

offered for sale is a black mil spec F-marked, FSB without bayonet lug for lightweight barrel with .625 diameter.


this is a basic forged front sight base which requires gunsmith installation by drilling and tapping permanent pins. This is a phosphated F-marked front sight base, stripped. Looks like Colt, not sure on origin, but identical to Colt, for narrow barrels with 0.625” gas block profile.