Underlug

Underlug

1. The locking lugs on a break-action firearm that extend from the bottom of the barrels under the chamber(s) and connect into the receiver bottom. 2. The metal shroud underneath the barrel of a revolver that surrounds and protects the extractor rod. The two types of underlugs include half-lug, meaning the shroud doesn't run the entire length of the barrel but instead is only as long as the extractor rod, and full-lug, meaning the shroud runs the full length of the barrel.

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Part of Speech: noun
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Industry/Domain: Military
Category: Firearms
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Related terms

underlug

Military; Firearms

1. The locking lugs on a break-action firearm that extend from the bottom of the barrels under the chamber(s) and connect into the receiver bottom. 2. The metal shroud underneath ...

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take-down lever

Military; Firearms

When dealing with small arms that use a lever in the operation of field-stripping, the term 'take-down lever' is used. It describes the wing of metal attached to a pin which ...

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