Troy Pneuma AR-15 Charging Handle 223 Caliber Gas Divert Ambidextrous Aluminum Black. This robust charging handle has an ingenious groove cut into the underside which routes expelling gases to the right and away from the shooters face. This is invaluable when shooting suppressed or in the event of a case rupture. Enjoy shooting free from a face full of hot gases. Specifications for Troy Neuma AR-15 Charging Handle: Manufacturer: Troy Color: Black Fabric/Material: Aluminum Caliber: .223 Remington Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Condition: New Size: One Size Age Group: Adults Gender: Unisex Package Contents: Troy Neuma AR-15 Charging Handle What firearm models does the manufacturer say Troy Neuma AR-15 Charging Handle is compatible with? The manufacturer suggests that Troy Neuma AR-15 Charging Handle is compatible with AR-15Troy SCAH-ACH-50BT-00: Pneuma AR-15 Charging Handle 223 Caliber Gas Divert Ambidextrous Aluminum Black