www.replicaairguns.com Type: Non-blowback CO2 BB Pistol. Manufacturer: Distributed by Crosman. Model: MK45. Materials: Mostly plastic. Weight: .63 pounds (281 grams). Total Length: 7.25 inches (184mm). Barrel: 4.5 inches (114mm) metal non-rifled. Propulsion: CO2 x 1. Action: Semi auto non-blowback, DOA trigger. Ammunition Type: .4.5mm steel BB’s. Ammunition Capacity: 20 round drop out metal stick magazine. FPS: Claimed 480. I personally prefer blowback Airguns that have a more solid weight and feel to tn this Field Test Shooting Video I put the Crosman MK45 CO2 NBB BB Pistol through my typical shooting test to see how it performs in a real world shooting condition. I first test out the velocity by placing 5 shots though my Chronograph and averaging them out and then I move on to my accuracy test where I place 10 shots on a pepper target setup 30 feet away. If you are more interested in details and specifications then make sure to watch my Table Top Video Review for the Crosman MK45 CO2 NBB BB Pistol. Read my full written review here: www.replicaairguns.com/posts/2023/12/6/crosman-mk45-co2-nbb-bb-pistol-field-test-review Buy the Crosman MK45 CO2 NBB BB Pistol in Canada: https://www.replicaairguns.ca/crosman-mk45-semi-auto-bb-pistol Buy the Crosman MK45 CO2 NBB BB Pistol in the US: https://www.replicaairguns.us/crosman-mk45-semi-auto-bb-pistol