2.5179 Walther P22 6 mm, spring-operated, < 0.5 J The 0,5j airsoft version of the Walther P22 is a must for Walther Fans. TECHNICAL DATA Energy level (E₀): < 0.5 J Caliber: 6 mm BB Power Source: spring-operated Magazine capacity: 20 rounds Shoot-Up: non-adjustable Length: 156 mm Weight: 170 g Recommended BBs: 0,12 g, 0,20 g Holster type: A, B, E