https://www.thegunparlor.com/products/hk-642230261310-642230261310-3873

MANUFACTURER: Heckler and Koch (HK USA)
MODEL: HK45 Tactical (V1)
TYPE: Semi-Auto Pistol
ACTION: Double / Single Action
CALIBER: 45 ACP
FINISH: Blue
FINISH TYPE: Blued
FRAME: Polymer Frame
BARREL: 5.2"
OVERALL LENGTH: 8.5"
CAPACITY: 10 + 1
# OF MAGAZINES: 2
MAG DESCRIPTION: 10 rd.
SIGHTS: High Profile
SIGHT TYPE: Adjustable Sights
THREAD PATTERN: 16x1mm LH
SPECIAL: Threaded Barrel Model
WEIGHT: 31.2 oz
SAFETY FEATURES: Safety/Decocking Lever
ADDL INFO: Small and Medium Backstrap
ADDL INFO: Thread Protector Included