Truly a modern classic of a rifle designed with the simple and efficient ingenuity to utilize commonly available AR-15 / STANAG pattern magazines for common intermediate calibers thus increasing it’s overall effectiveness and keeping costs low. – When you don’t need capacity though and prioritize ergonomics and comfort the Duramag SS Flush-Fit magazines are a perfect solution for both your Gen 1 and Gen 2 Ruger American rifles with the OEM stock / mag-well for AR pattern magazines.