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HANDGUARD AND BARREL ASSEMBLY WITH SOUND SUPPRESSOR FOR A FIREARM
HANDGUARD AND BARREL ASSEMBLY WITH SOUND SUPPRESSOR FOR A FIREARM
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机译:带有火炮声抑制器的手把和酒桶组件
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摘要
An upper receiver assembly includes a barrel, a suppressor body operable to couple to a muzzle end of the barrel, and a first sleeve disposable about the barrel and the suppressor body, wherein the barrel includes one or more longitudinally oriented ribs extending radially from a barrel body having a bore formed therein, and a second sleeve surrounding the first sleeve, the second sleeve comprising a fibrous thermally insulating material.
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