The USW Up grade Chassis has an built-in common Picatinny accessory rail for a light/laser as well as the folding stock. It is still ambidextrous in dealing with, with the ambidextrous slide capture lever and reversible magazine capture. The folding stock folds onto the correct side in the weapon, exactly https://sage-ebr51628.blogginaway.com/27407873/rumored-buzz-on-sage-ebr