The USW Upgrade Chassis has an built-in conventional Picatinny accent rail for a light/laser and the folding stock. It is still ambidextrous in managing, with the ambidextrous slide capture lever and reversible journal capture. The folding stock folds on to the best side of the weapon, where the stock release https://b-t-stock-conversion-kit42185.activosblog.com/26412640/a-review-of-sage-ebr