FosTecH Inc. has created the Echo Sport trigger, their second pull and release trigger system for AR-15 rifles. The Echo Sport is different from Fostech’s first version in that there’s an added paddle switch to change firing modes from binary to standard semi-automatic firing instead of using the safety selector like the Echo AR-II. Fostech […]
The post New Echo Sport Pull & Release Trigger System By FosTecH Inc. appeared first on The Firearm Blog.