Fostech Echo Trigger + Magpul D60

Fostech Echo Trigger with Magpul 60 rd. Drum Magazine

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Fostech Echo Trigger + Magpul D60

Fostech Echo Trigger plus Magpul D60 Mag

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Magpul D60 on full auto

Fostech Echo II D60 dump

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FOSTECH ECHO TRIGGER 60 ROUND MAGPUL DUMP

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Fostech Echo Magpul drum dump

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Magpul PMAG D-60 mag dump!

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Fostech echo trigger first tests

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Magpul D60 Testing.

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