准星护圈的英文

• front sight ring

• 准星:    sight bead; front sight
• 护:    protect; guard; shield
• 圈:    circle; ring
• 准星:    sight bead (瞄准用); front sight (of a gun)
• 护圈:    band guard; guard ring; protecting ring; protective ring; retainer; separator; shroud; sight protector

其他语言

准星护圈的法语：couvre-guidon protège-guidon