PRODUCT DESCRIPTION PRODUCT SPECIFICATIONS FNX45 TAC 45ACP BK 15+1 VIPER# Manufacturer: FN Thread Pattern: .578x28 Finish: Blackened Stainless Action: Double / Single Action Model: FNX-45 Tactical Color: Polymer Frame Black Polymer Polymer Frame Caliber: 45 ACP UPC: 845737012359 Barrel Length: 5.3" Capacity: 15 + 1