-Now with the Patent Pending UB1 bolt you can shoot all the calibers without a bolt change!

-This new revolutionary design has taken the firearm from its already highly versatile configuration to just a barrel and mag swap.

-The best part is its totally reverse compatible with all the previous TNW ASRs!

-You can order your new rifle or pistol with the UB1 or order one to upgrade your existing firearm.

Works with all current centerfire calibers for the ASR including the 9mm, 40S&W, 357SIG, 45ACP, 10mm and 460Rowland.