Hi James, yes sir, the cold hammer-forged from 1137 alloy steel barrel is threaded 1/2"-28 with a 1:9" twist.
Stay safe & have a great day!

This model has a Threaded barrel with a 1/2"×28 pitch. You can add suppressor or flash hider if you so choose. Otherwise, it Comes with a thread protector installed.

yes it is threaded "1/2"-28 threaded barrel for standard muzzle accessories, like the Silent-SR® suppressor, comes with a factory-installed thread protector covering both the threads and crown."

Hi James and welcome. Yes, This precision-rifled barrel features a threaded muzzle (1/2''–28) for attaching aftermarket suppressors (includes thread protector). Cheers and stay safe!