Acts 29 is that period of time covering the continuation of Paul's Acts ministry including the revelation of the mystery and latter imprisonment and finally concluding with the burning of Jerusalem.
Study Hall Glossary
Acts 28:31 Preaching the kingdom of God, and teaching those things which concern the Lord Jesus Christ, with all confidence, no man forbidding him.
Armor of God
Put on the whole armour of God, that ye may be able to stand against the wiles of the devil.
Right division has much to say about this important subject. The Acts 28 boundary has brought with it many changes and the armor supplied by God as mentioned in Eph 6:11-18 is no exception.How are we to function and with what armor should we fight the good fight of faith...
28 Be it known therefore unto you, that the salvation of God is sent unto the Gentiles, and that they will hear it.
The dispensational boundary which occured in Acts 28:28-31 is when the Apostle Paul declares to the Jewish leadership that the final opportunity for their acceptance of Jesus as Christ is over.