The Fostech Echo AR-II is a drop-in binary trigger system engineered for the AR-15 platform, featuring a patented design and HIPERFIRE technology. This advanced trigger offers three firing modes: Safe, Semi-Automatic, and Echo Mode, which fires one round on the pull and another on the release. Designed with safety and precision in mind, it provides a crisp, clean trigger pull in Semi mode.

Ideal for range time and competition shooting, the Echo AR-II enhances your AR-15 with rapid, responsive fire control and exceptional reliability. Fostech is renowned for its innovation and quality in firearm accessories.

Key Features:

• Manufacturer: Fostech
• Model: Echo AR-II
• Product Type: Drop-In Binary Trigger
• Unique Features: Patented binary trigger system, HIPERFIRE technology
• What's In The Box: Trigger system components