Hi Jason, yes sir, the barrel is threaded 1/2 x 28
Stay safe & have a great day!

Hi Jason and welcome. Yes Sir, this model has a 16.5" barrel Threaded 1/2 x 28 with Thread Protector. Cheers and stay safe!

Yes it is threaded see ******
All Hi-Point firearms are +P rated to accept all factory ammunition, and feature:
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Threaded 1/2 x 28 barrel standard
Thumb magazine release
100% American-made parts and assembly
FREE trigger lock, sling and swivels
10-round magazine (not interchangeable with C9)
Internal recoil buffer in stock
Last round lock open
Fully adjustable sights (rear peep & post front)
Manual safety