I have (4) colt set screw fsb's , stripped, no lugs. $20.00 ea. and (1) bushmaster milled fsb with set screws. (the type that is used on their varmint rifle). $20.00 these were all taken off of new rifles. USPS MO only. I will ship priority mail. thanks . PATRIOT ARMORY 07 FFL IM me with any questions HAPPY NEW YEAR!!