Use this stock When you've got a shorty M1A similar to a SOCOM or Scout Squad product Along with the shorter barrel. This stock is made of a proprietary carbon fiber composite which makes the stock solid still light-weight. The magwell is relieved of material so journal variations are speedy. https://sageebrchassisforsale52505.angelinsblog.com/29035127/5-easy-facts-about-ebr-stock-m1a-described