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・ Slug (band)
・ Slug (coin)
・ Slug (comics)
・ Slug (disambiguation)
・ Slug (mass)
・ Slug (projectile)
・ Slug (publishing)
・ Slug (railroad)
・ Slug (rapper)
・ Slug (song)
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・ Slug and Lettuce
・ Slug and Lettuce (disambiguation)
・ Slug and Lettuce (fanzine)
・ Slug and Lettuce, Islington
Slug barrel
・ Slug Cartilage
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・ SLUG Magazine
・ Slug name
・ SLUG Queen
・ Slug Signorino
・ Slug test
・ Slug's Saloon
・ Sluga
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・ Slugburger
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Slug barrel : ウィキペディア英語版
Slug barrel

A slug barrel is a barrel for a shotgun that is designed primarily to fire slugs.
==Origins==
When slugs are fired in a standard, choked barrel, the slug is deformed by the choke as it exits. The degree of deformation is most acute with fuller chokes, which were among the most widely used in stock shotguns up until about 1990. Early shotgun slugs were "rifled" with deformable fins cast into the outside of the soft lead slug, which allowed the slug to swage down to fit the choke. With an open choke, the reduction in diameter is minimal, so accuracy does not suffer much; tighter chokes, however, deform the slug enough to impact accuracy significantly, and the impact of the slug on the choke (at velocities around 450 meters per second (1500 feet per second)) could also stretch the barrel with repeated firings.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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