Update and upgrade firmware

45 ACP cartridge

Textured polymer grip panels mimic the look and feel of the real thing

Front and rear adjustable flip-up sights

WE Tech 1911 Hi-Capa T-Rex Competition w/ Top Vent (BLUE / SILVER) LiPo Update and upgrade firmwareSpecifications Brand: WE Tech Operation: Gas Blowback Material: Metal Slide, Accessory Rail, Trigger, Hammer Polymer Frame, Grip Panels Firing Modes: Semi Automatic Muzzle Velocity: 330 350 FPS (w . 20g BBs) Magazine Capacity: 30 Rounds Hop Up: Yes, Adjustable Propellant: Green Gas Outer Barrel Length: 6" Length: 9. 5" Height: 5. 75" Weight: 2. 5lbs Color: Black Silver Compatibility: Compatible with all Hi Capa Magazines Package Includes: 1X Pistol,