Redline Airsoft Enhanced Trigger Valve Upgrade Kit for Redline M7Specifications: Brand: Redline Airsoft Construction: Aluminum alloy, high pressure rubber line Compatibility: Redline N7 HPA Units Features: CNC machined aluminum alloy Provides the ultimate pneumatic feel and action Provides a short, crisp break at the release point and a reset action on the release No bleed design provides consistent trigger action no matter how you pull the trigger Package Includes: 1x Trigger Valve Unit