I have a post ban bushmaster with an AK BRAKE IN 16" BBL. FIRED ABOUT 100 rds. Also have a S&W MOD. 36 Airweight , Colt 20" upper receiver with threaded bbl and a2 brake no bayo lug . This is off of a blue lablr Colt rifle.. I am looking for a LTR IN 308. LET ME KNOW WHAT YOU HAVE IN MIND.