Product Summary
The Breakthrough Clean Technologies AR-15 Lower Vise Block is a specialized tool designed to streamline the cleaning and maintenance of AR-15 platform rifles. By inserting the block into the magwell, it utilizes the receiver’s magazine lock to provide a snug, secure fit that can be easily clamped onto any vise. The unit features an integrated hammer stop to protect the receiver during dry firing and includes a Pivot Lock for easy access to the barrel and chamber. This tool is an essential addition for any owner looking for a stable, efficient platform for thorough firearm care.










