AAC Threaded pistol barrels are precision machined from heat treated 416R stainless steel. These barrels feature a durable, corrosion resistant matte black Nitride finish. The barrel features a 1:16" twist rate, and this particular barrel is threaded Metric 13.5 x 1 Left Hand. This is the perfect item for turning your run of the mill M&P Full Size model in a suppressor ready host.

Features and Specifications:
Manufacturer Number: 103553
Smith & Wesson Military & Police Full Size 9mm Luger
Threaded Metric 13.5 x 1 Left Hand
1:16" Twist Rate
416R Stainless Steel
Nitride Finish
Matte Black