RedWolf Airsoft TV takes a good look at the 4" Umarex Walther PDP Compact GBB Pistol for this video review... "The Walther PDP series is a flagship pistol platform designed for modern tactical and law enforcement needs, featuring a modular system, superior ergonomics, and optic-ready capability. Both the PDP Compact 4.0 and Full Size 5.1 have been officially adopted by Germany's military special forces, designated as the P14K and P14, demonstrating the PDP's strength across both close-quarters and long-range combat environments."