Have a MX O/U barrels 31.5 inch with 18.4 bors fix choke ⊙⊙ top (.034 ) & ⊙⊙⊙⊙ bottom (.020 ) KG1.690 with ramped tapere rib 11mm to 7mm manufacturing date code BM would like to trade for 31.5 inch step rib O/U barrels fix choke or choke tubes in like condition or sell for $2,500.00 plus shipping and insurance. If you have any questions please PM me. Thanks Sgoose
