Mansur narrates from his father that he said: "Sayyiduna Abu Bakr, Sayyiduna Umar and Sayyiduna Uthman (may Allah be pleased with them) never prayed two (voluntary) rak'ahs before the obligatory Maghrib prayer."
In the chain of this report Mansur bin al-Mu'tamir narrates from his father, and this narration indicates that in the time of these eminent Companions and Rightly Guided Caliphs there was no general practice or custom of praying two rak'ahs before the Maghrib prayer.
Hadith Referenceالمطالب العالية بزوائد المسانيد الثمانية / كتاب النوافل / 623
Hadith Gradingمحدثین:إسناده ضعيف
Hadith Takhrij«حکم الحدیث المطالب العالیہ محققاً تنسیق د. سعد بن ناصر بن عبد العزيز الشَّثري- مکتبہ شاملہ :إسناده ضعيف. » «أورده ابن حجر فى "المطالب العالية"، 623، وأخرجه عبد الرزاق فى «مصنفه» برقم: 3985»