The Otis PRO+ AR-15 Lock Block - Upper Receiver Vise Block is an essential tool for any AR-15 enthusiast. Designed to streamline the removal and installation of barrels and hand guards, this vise block ensures a secure and efficient process. Its innovative design locks into the barrel extension, preventing twisting and minimizing the risk of damage.

Perfect for both professional gunsmiths and hobbyists, the AR-15 Lock Block is compatible with milspec receivers and most ARs, thanks to its versatile bronze bushing. Whether you're at the range or in your workshop, this tool provides the reliability and ease of use you need. Otis Technology is renowned for its commitment to quality and innovation, making this a must-have for your toolkit.

Key Features:

• Manufacturer: Otis
• Model: PRO+ AR-15 Lock Block
• Securely and easily work on AR-15 upper receivers
• Alleviates tension on the receiver by engaging locking lugs
• Designed for milspec AR receivers
• Bronze bushing accommodates most ARs
• Made from 1018 steel with a manganese phosphate coating