Use this stock When you have a shorty M1A just like a SOCOM or Scout Squad product Using the shorter barrel. This stock is made of a proprietary carbon fiber composite that makes the stock sturdy however lightweight. The magwell is relieved of fabric so journal variations are quick. 1913 https://m14ebrstock30404.post-blogs.com/50975154/considerations-to-know-about-ebr-chassis-m1a