META 16in .40 S&W Barrel for Glock 23 (Gens 3-4). Combine this barrel with an APEX Bullpup Carbine Conversion Kit for a compact, precision shooting experience. The slim, ultra-lightweight 16in barrel design is a result of years of experience combined with around the clock R&D and testing. Specifications for Meta Tactical Gen 3-4 Glock 23/ P80 940c Barrel: Manufacturer: Meta Tactical Color: Black Finish: Nitride Fabric/Material: Chrome Moly Caliber: .40 S&W Gun Make: Glock Gun Model: Glock 23 Barrel Length: 16 in Barrel Material: Chrome Moly Barrel Twist Rate: 1-10 Flutes: No Rifling Profile: Polygonal Country of Origin: USA Features of Meta Tactical Gen 3-4 Glock 23/ P80 940c Barrel American Steel Polygonal Rifled Button Rifled High Precision / Tight Tolerance machining Improved Lock up for increased reliability and accuracy Package Contents: Meta Tactical Gen 3-4 Glock 23/ P80 940c Barrel Thread Protector Muzzle Device What firearm models does the manufacturer say Meta Tactical Gen 3-4 Glock 23/ P80 940c Barrel is compatible with? The manufacturer says that Meta Tactical Gen 3-4 Glock 23/ P80 940c Barrel is compatible with Glock 23