[schema type=”product” url=”http://masterpiecearms.com/” name=”MPAR-556″ brand=”MPAR” manfu=”MasterPiece Arms” model=”MPAR-556″ ] Eugene Stoner’s AR-18 design is a textbook example of how an unjustly neglected construction may return in its full glory after years of modifications and improvements. Although considered much better than AR-15 by many, it was newer officially adopted, but it served as a model for…