The extant Quranic manuscripts are so consistent because early on, Caliph Uthman had an official version of the Quran created and made a concerted effort to des

The extant Quranic manuscripts are so consistent because early on, Caliph Uthman had an official version of the Quran created and made a concerted effort to destroy the manuscripts that disagreed with it. And in practice, the number of textual variants that actually mean something to Christians in NT texts can be counted on one hand (Comma Johanneum, the ending of Mark, the Pericope Adulterae).