If this is the gun you are asking about budsgunshop.com/catalog/product_info.php/products_id/719007443/Ruger+10%2F22+ATI+AR-22+22LR+10%2B1+16+1%2F8+Talo then yes it does have a threaded barrel therad size1/2-28 thread specs UPC: 736676111985

Description: RUG 10/22 ATI-AR 22LR 25RD TLO
Brand: Ruger
Model: 10/22 ATI-AR TALO Edition
Type: Rifle: Semi-Auto
Caliber: 22LR
Finish: Blue
Action: Semi-Automatic
Stock: ATI AR-22
Sight: Ruger Rapid Deploy
Barrel Length: 16.125
Weight: 5 lbs
Capacity: 25+1
# of Mags: 1
Safety: Cross Bolt Safety
Receiver: Drilled & Tapped
Muzzle: Flash Suppressor 1/2-28 thread
Butt Plate: Black Plastic
Features: ATI AR-22 Stock System W/ 6 Sided Forend;
Talo Special Edition

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Hi Buck Yes it does. Here's the thread pattern 1/2"-28

Yes. Precision-rifled, cold hammer-forged barrel capped with a Ruger® flash suppressor mounted with a 1/2"-28 thread.

It appears it does, and they are 1/2 x 28 threads.