breechblock
N ที่ หุ้ม กะ บอก ปืน ส่วนหลัง
BREECHBLOCK
BREECHBLOCK Breech "block, n.
breech block |ˈbrēCHˌbläk ˈbritʃblɑk | ▶noun a metal block that closes the aperture at the back part of a rifle or gun barrel.
breech |block ▶noun a metal block which closes the aperture at the back part of a rifle or gun barrel.