breechblock   (TTS Sound)

The breechblock has 1 Senses.

• breechblock, breech closer
• 遊底
• a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
• 引っ張って弾薬筒を挿入し、発砲する前に元の位置に戻して銃尾を閉じる、後装式の火器の金属ブロック