Default [Q] T999N Rooting

Okayy ive searched around and looked through ALL the threads and guides on rooting this phone and even followed some but im still stuck. Yes ive read and searched before asking so now im asking, is there any thorough guide or youtube vid maybe that shows how to properly apply full root to the T999N version of the galaxy s3 on metropcs? Im updated to 4.3 btw. Please no sarcasm/smart remarks
Active: Nexus 5
Former 12: Galaxy S5
Former 11: Galaxy S3
Former 10: iPhone 4S
Former 9: ATT HTC One X
Former 8: Sprint EVO 3D
Former 7: Sprint Galaxy Nexus (for sale)
Former 6: Sprint Apple iPhone 4
Former 5: Sprint LG Optimus G
Former 4: Samsung/Google Galaxy Nexus CDMA/Sprint
Former 3: Apple iPhone 4
Former 2: HTC EVO 3D (x5)
Former 1: Samsung/Google Nexus S 4G
Former: Huawei Ascend