Can you use 2.75 inch shotgun shell in a 12 gauge 3 inch chamber shotgun?

Yes, you can use 2.75-inch shotgun shells in a 12-gauge shotgun that has a 3-inch chamber. The shotgun is designed to accommodate both shell lengths, so firing a 2.75-inch shell will not pose any issues. However, always ensure that the shotgun is in good working condition and that you are using the correct gauge ammunition.