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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Bullet walk with brand new barrel.
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<blockquote data-quote="msalm" data-source="post: 599454" data-attributes="member: 8863"><p>Either there's an incredible amount of residual stress in the barrel steel OR my intuition would say the gas tube might be a tad too long and is bottoming out in the carrier key. Since the gas tube heats up instantly, it would lengthen a bit and if it is touching the bottom of the key, the carrier would be putting pressure on the tube and essentially pushing it forward from above, which would cam the barrel downward....just a hunch though. Otherwise I have had barrels walk as they heated up, but not after one round. That said, a cryo treatment solved the problem in those cases.</p></blockquote><p></p>
[QUOTE="msalm, post: 599454, member: 8863"] Either there's an incredible amount of residual stress in the barrel steel OR my intuition would say the gas tube might be a tad too long and is bottoming out in the carrier key. Since the gas tube heats up instantly, it would lengthen a bit and if it is touching the bottom of the key, the carrier would be putting pressure on the tube and essentially pushing it forward from above, which would cam the barrel downward....just a hunch though. Otherwise I have had barrels walk as they heated up, but not after one round. That said, a cryo treatment solved the problem in those cases. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Bullet walk with brand new barrel.
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