ACP
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- Dec 29, 2002
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Sorry in advance for my ignorance, but I believe I'm in the right place for answers:
I have an older Bushmaster XM-15 "Patrolman's Carbine" in 5.56.
What other caliber uppers can I put on it?
I'm guessing .308 is a NO due to magazine well size, frame size, etc.
I have an older Bushmaster XM-15 "Patrolman's Carbine" in 5.56.
What other caliber uppers can I put on it?
I'm guessing .308 is a NO due to magazine well size, frame size, etc.