Replacement barrels establish the benchmark for absolute accuracy and combat reliability. Because barrels are the most susceptible component of a gun to wear and tear, they wear out, they get scored, they get dropped in, and can get dropped out and installed back in just a few shots. At Lone Wolf, we spend a great deal of time figuring out what barrel designs will fit a particular gun and meet the customer's needs. It is our goal to make the Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel fit that particular gun, drop in, super easy to install, and have the customers satisfaction that they were made for drop in swap outs. Using a drop in method, the barrel is a drop in that just drops in and drops out. Ease of installation is amazing as it just drops out and there is no bedding in or fitting required. Simply open the barrel, remove the old barrel, put the new barrel in and ... drop in. No fitting needed as its a drop in that just drops in and installs like any other barrel. Lone Wolf Arms 416SS barrels are button Rifled, three stage honed, and three shot honed. Salt Bath Nitride (SBN) coating drives out more gas and fouling. Provides a permanent, rock solid, non-leak tight bore that is engineered to consistently shoot flat and accurate. Fluting on the barrel's interior and exterior provide an excellent method for heat and debris to escape the barrel. AlphaWolf barrels are coated with several thousand linear feet of salt bath nitride (SBN) coating that is extremely resistant to abrasion and corrosion and provides a minimum of tenaciousness in the barrel. Specifications for Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel: Manufacturer: Lone Wolf Arms Color: Black Cartridge: 9mm Luger Gun Make: Glock Gun Model: Glock 33, Glock 27 Additional Features: Normal Barrel Condition: New Features of Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel: Fits 1-4 Glock generations Designed for lead plated or jacketed ammunition Certified stress relieved 416 stainless steel Button rifled three stage honed bore Industry recognized SBN premium coating (SBN is Salt Bath Nitride similar to Tennifer) Heat treated to RC 40-42 then SBN coating increases surface hardness to RC 60 Exacting tolerances allow for drop in installation Fluting creates path for heat and debris to escape Package Contents: Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel