Beretta 92 Series M9A3/M9A1 3 Gen Pistol Threaded Barrel 5in Flat Dark Earth. They are extended past the typical 92FS barrel length so that items threaded on have enough clearance and engagement to safely and properly function. These barrels are 5" in length are assembled with the gen 3 locking block and a thread protector and O-ring. Specifications for Beretta 92 Series M9A3/M9A1 3 Gen Pistol Threaded Barrel: Manufacturer: Beretta Color: Flat Dark Earth Threads per Inch: 1/2x28 Caliber: 9mm Luger Gun Make: Beretta Gun Model: Beretta M9A3 Beretta M9A1 Condition: New Package Contents: Beretta 92 Series M9A3/M9A1 3 Gen Pistol Threaded Barrel What firearm models does the manufacturer say Beretta 92 Series M9A3/M9A1 3 Gen Pistol Threaded Barrel is compatible with? The manufacturer says that Beretta 92 Series M9A3/M9A1 3 Gen Pistol Threaded Barrel is compatible with Beretta M9A1 Beretta M9A3Beretta JBM9A3TH: 90 Series Threaded Pistol Barrel w/ Locking Block M9A3 9mm 1/2x28 Flat Dark Earth