Nu'aim b. Mas'ud reported God's Messenger as saying to two men who came from Musailima, "I swear by God that were it not that messengers are not killed, I would cut off your heads.” Ahmad and Abu Dawud transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الجهاد / 3982
Hadith Gradingالألبانی:لم تتمّ دراسته | زبیر علی زئی:إسناده حسن
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «إسناده حسن، رواه أحمد (487/3. 488 ح 16085) و أبو داود (2761)»