Derya TM22 Lightweight Mixmaster

I was going to quote Steven Crowder in a German accent….
“You forgot ze one in ze chamber”. :)

Are the barrels easy to swap?
How’s the quality overall on the featherweights and is it a plastic rail on top screwed into inserts?
 
I was going to quote Steven Crowder in a German accent….
“You forgot ze one in ze chamber”. :)

Are the barrels easy to swap?
How’s the quality overall on the featherweights and is it a plastic rail on top screwed into inserts?

It's super easy. Take the handguard off, spin the barrel nut off, and pull it out. There's a barrel nut wrench in every rifle box. It's the same spanner set up as an AR castle nut. Every Derya I've had the barrel nut is barely more than finger tight so it's easy to undo.

Quality is fine. On par with the aluminum ones, just cheaper materials. The stock tube is molded(?) injected(?) in one piece with the receiver and mine seems to be not quite parallel to the bore.

I had the top rail off yesterday but I can't remember if there were inserts.

Did have an odd issue after the swap, though. Both the aluminum 12" and the Feather 18" ran fine in original form. When I put the 12" in the Feather it started to have a lot of failure to ejects. The round would extract but stay in the receiver. I guessed there was something off about the left extractor so I pulled the bolt and removed it. Runs perfectly fine now.
 
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