M77E Stevens Trenchgun pictures

[stripper clip]

So that's what those handguards were used for. I've seen these at shows from time to time but figured they were made by aftermarket companies for commercial use or for Police depts.; I always passed them by.....in the past. Odd looking, I mean, Allen head cap screws and made for a US M5 bayonet? Go figure.
Harold:
Are there any markings on the adapter? What did they do with the sight bead hole in the barrel, filled in or left open? In your pics. it sort of looks like the heat shield is blued, is the adapter the same way or parked?
Cool gun, thanks for the pics.
JB

The heatshields were unmarked. The heatshield is blued. The adapters on these have a darker finish that is closer to Parkerizing than bluing. As I said in response to harold's 18 August post, these actually did have an NSN assigned to them. Here's a photo of one I have.

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[tmturner45]

There's nothing "experimental" about the M5 bayonet which fits this adapter. Nice looking shotgun there, red T pad is irresistible.