Stern Defense SD CH1 AR-15 Charging Handle Black 007-SD CH1-D1-M. Laser engraved with Stern Defense logo. Their latch is Ergonomically designed and provides a positive grip and easy one hand manipulations while charging your weapon under stressful situations. Made from 6061 aircraft grade aluminum billet and hardcoat anodized. Specifications for Stern Defense SD CH1 AR-15 Charging Handle: Manufacturer: Stern Defense Color: Black Fabric/Material: 6061 Aircraft Grade Aluminum Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Package Contents: Stern Defense SD CH1 AR-15 Charging Handle What firearm models does the manufacturer say Stern Defense SD CH1 AR-15 Charging Handle is compatible with? The manufacturer suggests that Stern Defense SD CH1 AR-15 Charging Handle is compatible with AR-15Stern Defense 007-SD CH1-D1-M: SD CH1 AR-15 Charging Handle Black