The AR-Podium implements a bi-pod support for the AR-15 in a new and innovative way. The AR-Podium enables the operator to install a steady and durable bi-pod platform without adding front-end weight and saving valuable rail space. The AR-Podium is easily deployed with the main shooting hand, without having to alter the grip on the weapon, or lose sight of the target. *US Patent No. 9,354,012. * Compatibility: M-16 / AR-15 , 5.56x45 lower receiver variants, with a standard magazine well" Additional Features & Benefits: Compact and sleek design with no protruding parts Rapid deployment mechanism operates by the push of a button Provides steady and durable bipod platform Quick and easy installation, no Gunsmith required Made of light and durable high-end reinforced polymer composite Saves valuable rail space for additional mounting options The model includes the AGR-43 pistol grip and the Podium bi-pod. Weight: 357 gr Height: 30 mm Height (open / deployed): 78 mm