Fostech Outdoors, Llc. Ar-15 Ar Ii Echo Drop-in Binary Trigger
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Fostech
Overview
The Fostech Outdoors AR-15 AR II Echo Drop-in Binary Trigger is a binary trigger designed to enhance your shooting experience by allowing the firearm to fire once on pull and again on release. This feature can significantly increase your rate of fire, making it a popular choice for builders looking to create a more dynamic shooting platform. It is commonly found in mid-length gas system builds chambered in 5.56 NATO, where quick follow-up shots are essential.
Specifications
Frequently Built With
Based on build data
EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN
SIG Sauer MCX Stock Adapter Kit
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision Ar-15 5.56 Bcg W/c158 Bolt - Aero Logo - Phosphate
Faxon Chameleon 5.56 Complete Nitride Bolt Carrier Group - FF556BCGCNITRIDE-NCR
Olight Odin Mini 1250 Lumen Rechargeable Rail Mount Flashlight - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
| Product | Category | Times Built Together |
|---|---|---|
| EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN | 2 | |
| SIG Sauer MCX Stock Adapter Kit | 2 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 2 | |
| Aero Precision Ar-15 5.56 Bcg W/c158 Bolt - Aero Logo - Phosphate | 2 | |
| Faxon Chameleon 5.56 Complete Nitride Bolt Carrier Group - FF556BCGCNITRIDE-NCR | 2 | |
| Olight Odin Mini 1250 Lumen Rechargeable Rail Mount Flashlight - Black | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
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