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MiniGun and 50 cal XM307 Chain Gun comparison
The .50 cal XM307 was specifically designed for use as a heavy weapon when wearing T-45d power armor, and has a number of features that make it suitable for this role. The gun is externally powered, meaning that misfires do not need to be manually cleared, instead the rounds are simply ejected. Developed by Glastinghouse,Inc, a weapons subsidiary of RobCo Industries in around 2073. The basic principle involved an externally driven endless chain that ran around the receiver and operated a more or less traditional rotating bolt and bolt carrier through a single abutment, fixed to the chain. This principle was used to develop a wide array of weapons, including a 30mm autocannon for the VB-02 Vertibird
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