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For 2015, Glock has responded to customer demand by introducing a series of factory-threaded-barrel variants to its handgun lineup, allowing for the addition of a sound suppressor. This includes the Gen3 versions of the G17, G19, G23 and G21 SF pistols, all of which will be given the “TB” designation after each pistol’s name to indicate their new threaded-barrel design. The new barrels are chambered for 9mm, .40 S&W and .45 ACP.

These Austrian-made threaded barrels add approximately 0.5 inches in length when compared to the non-threaded models. Glock’s OEM barrels are constructed of high-grade steel and feature European left-hand thread patterns— 13.5×1 on the G17, G19 and G23, and 16×1 on the G21 SF. The 9mm and .40 S&W barrels have a 1-in-9.84-inch twist rate while the .45 ACP barrels feature a 1-in-15.74-inch twist rate. The rifling follows the same polygonal pattern made famous by Glock over the years.

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The addition of the new Glock TB models gives operators a reliable, suppressor-ready platform for training, covert tactical use or varmint control in the real world. Individual threaded barrels will also be available for sale from the company in the near future.

For more information on Glock’s new suppressor-ready pistol offerings, visit http://us.glock.com or call 770-432-1202.

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