benelli 121 sl 80

[doorknob]

how can i tell if its a 3 inch gun or just 2 3/4

 

[RamRoddoc]

All the newer shotguns I have ever seen have it clearly marked on the barrel except for much older ones, typically near the receiver.

 

[doorknob]

yea this is an older gun made in 1974 and there were some 3in and 2 3/4 in modls

 

[RamRoddoc]

An e-mail to Benelli with model and serial number should get you the best (safe) answer to that question.