ESS Crossblade Clear Replacement Lens, 4301

ETS magazines are made from advanced polymers that provide extreme impact resistance so they won't crack or break when dropped. With superior temperature tolerances their magazines won't become brittle over time, even when exposed to harsh environments, chemicals, or extreme cold. Its durable construction eliminates creep so the feed lips and body won't spread when being stored long term, even when fully loaded. These new AR-15 Magazines provide an innovative Tritium follower that can be easily seen thru the body of the translucent mag. This gives you a quick and easy check of your round count in high pressure situations.. Features Tritium Dot Polymer Follower; No Tilt Follower Design with Bolt Hold Open; Ergonomically Designed for superior manipulation and control; Creep Resistant, the feed lips and body will not spread over time; Impact Resistant; Resistant to Chemicals, UV, Extreme Temperatures; Specifications Color: Translucent Smoke; Caliber: .223 Remington, 5.56 Nato, 300 Aac Blackout; Capacity: 30 Rounds; Body Material: Polymer; Baseplate: Polymer; .