New Echo Sport Pull & Release Trigger System By FosTecH Inc.
thefirearmblog.com
New Echo Sport Pull & Release Trigger System By FosTecH Inc.
FosTecH Inc. has created the Echo Sport, their second drop-in 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 instead of using the safety selector.
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