can you shoot these in old fixed choke barrels......old to me is a win 37a 20 ga full choke made in 70's as was my ithaca 37 fl mod choke and 2 savage double barrels, 1 savage has 2 full chokes and 1 has ic and mod.......i also think these were made in the 70's .....i have also shot steel out of the ithaca 37 mod choke , i just know you cant shoot steel through a fixed full choke...........so again can i shoot bismuth or hevi shot out of these guns............thanks for any info...mack
