Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Colt M1911 A1 Green Gas Full Metal Pistol airsoft gun
Product description: All metal fully Licensed trademarked Colt 1911 Gas Blow back. Very realistic look and feel. If you are looking for a realistic side arm to complete any load out, this is the one to get. Package Includes: gun, gun magazine, manual.... 30 years after the introduction of the Colt .45 1911 Government model, World War II started and thereafter came the ultimate testing ground for the service pistol. Arming soldiers and officers as a self-defense weapon in the Pacific and in Europe, the .45 1911-A1 model passed the battlefield tests with flying colors. Some 7 years after the war had ended; the U.S. military brass considered the .45 cartridge an effective round but that the full-sized Government model that fired it was too large for officers and others of high rank to easily carry. Keeping the caliber and capacity, the model 1911-A1 was shortened by 5/8 of an inch, manufactured with lighter alloys and named after the personnel it was designed for, the Commander appeared and was praised.... Fully licensed trademarks Manufacturer: KJ Works Distributed by: Cybergun...
Product feature: caliber: 6mm, velocity: 360.00 ft/sec, Semiauto, Blow back
Product brand: Colt
Target attributes: Velocity
Answer: attribute: velocity
value: None
source: None