This Remington manufactured second variation breech ring nut with the stepped extension is for the later model 740 Woodsmaster semi-auto rifle in 280 Rem and 30-06 Sprg caliber and is in very good condition with light wear. (file photo)
Note: Remington 740 semi auto rifles with the following serial numbers have been observed with this part: 161936 & 186509
.244 Rem: 162131
