lc 20 Archived Message Posted by don bullock on August 1, 2018, 1:25 pm i picked up a 20 ga, field gr, 32" bls.and it appears to have the factory stamp on bl. flats for 3" chambers.gun is from 1916. has anyone seen a similar gun? also how early did they stamp 3" chambers on 20 ga. guns? pre 13? i haven't recieved ser. no. search yet. Message Thread: lc 20 - don bullock August 1, 2018, 1:25 pm Re: lc 20 - Chris Baumohl August 1, 2018, 2:17 pm Re: lc 20 - Michael Harris August 1, 2018, 2:27 pm Re: lc 20 - Randy Roberts August 1, 2018, 2:56 pm Re: lc 20 - Dick Miller August 1, 2018, 4:18 pm Re: lc 20 - Jerry Andrews August 2, 2018, 6:26 am   Searching