Posted June 24, 2016 6:15 am by Comments

By Nathaniel F

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Previously in TFB’s series on weapon operating mechanisms, we examined both the closed-bolt blowback system and the open-bolt API blowback system, two very close relatives that share a common feature: Closure of the breech through the inertia of the breechblock mass alone. What this means for small arms designers is that they must engineer a system […]

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Source:: The Firearm Blog

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