Screws ORIGINAL for Stevens Crackshot,Favorite, Ideal, Marksman, and other SMALL Stevens 22 rifles.buttplate. These screws are placed from top of plate to middle of top screw hole is 1/2 and from bottom of plate to middle of bottom screw hole is 1 1/4 inches. The 1/8 " on the upper neck of these screws are entire (without threads) just like Stevens originally made them.