Winchester 52 (same hole spacing), 54, early models, 70 with serial number below #66 350, 70 Long Action (same hole spacing), 670, 770, 70 Long Action (different hole spacing), 70 Super Express, 70 Short Action (1984 ), 70 WSM, 70 WSSM
Note: For Savage 10, 12, and 16 short actions; Striker; Pistol; 510; 512; 516 short action; 10 ML (2-piece only) pre-2003 models with shorter tube scopes or red dot scopes use #402 extension front base or one-piece base if available. Extension base allows an extra 0.689".
Note: For Savage / Stevens 200 with shorter tube scopes or red dot scopes use #402 extension front base or one-piece base if available. Extension base allows an extra 0.689".
Note: For 1.4" diameter Mauser Receiver Ring 98FN and 1.3" diameter Receiver Ring (Swedish 96) shimming is probably required for perfect scope alignment. The rear base may require modifications for correct fit to military actions.
Note: The Winchester 52 with the same hole spacing may require bolt and/or safety alterations to function safely and properly. Consult with a qualified gunsmith.