E2 Bolt
The E2 bolt design improves function and offers extended lifespan. Dual ejectors provide significantly increased ejection force, ensuring that the cartridge is cleanly ejected from the ejection port, even when using high backpressure muzzle devices and collapsible stock systems, and provides a layer of redundancy in the event of failure. The bolt lug design has been optimized and stress-relieved, extending overall lifespan to not less than 10,000 rounds. The E2 bolt is completely backward compatible with M110 barrels and bolt carriers, and utilizes many of the same parts as the legacy bolt design.
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