What is the history of the model 77b Stevens shotgun?

Answer 1

The Stevens Model 77E was a pump-action shotgun offered in 12 gauge, 16 gauge, 20 gauge, 28 gauge, and 410 gauge. The military version 77E was the most widely used shotgun of the Vietnam War. It was a short-barreled pump-action shotgun known variously as the "trench" or "riot" shotgun in 12 gauge. The Military Model 77E had a noticeably shorter stocks than similar United States military shotguns built by Ithaca Gun Company, Remington Arms, and Winchester Repeating Arms Company. These short stocks were intended to accommodate South Vietnamese soldiers, and the Military Model 77E was the first United States combat shotgun equipped with a rubber recoil pad. Military Model 77E shotguns were Parkerized with sling swivels and wooden stocks. Receivers were marked "U.S." and "p" proofmarks appeared on both barrels and receivers