Walther PDP Professional ACRO Full Size 4.5" 18R 9x19mmThe Walther PDP Professional ACRO Full Size 4. 5" is a competition and duty ready semi automatic handgun chambered in 9x19mm, featuring an 18 round magazine capacity. This premium package comes equipped with the Aimpoint ACRO optic pre installed, delivering a complete, optics ready solution straight out of the box. Key Features: 4. 5" barrel for enhanced accuracy and velocity Compact handle, with a 4. 5" lock 3 x 18 round magazines with aluminium