Weaver

Each Weaver base is machined to the tightest tolerances for a custom fit. They are designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross bolt in every Weaver detachable ring. - Fits: - Cooey 71 - Einfield (Cut like Winchester 70) - H & R Models 300 301 330 & 370 before 1973; 300 301 LA Post 1973 (270 30-06 7mm 300 Winchester) - Herters J9 - High-Standard High-Power - Interarms Viscount - Marlin Models 455 & MR7 - Mauser Model 98FN Swedish 96 & Bauer 3000 & 4000 - Musgrave Models Mark I-IV - Navy Arms Country Boy Muzzle Loader - Parker-Hale Models 1000 1000C 1100 1200 & 1700 - Savage Models 10 12 16 510 512 & 516 Short Action Rifle 110 (E & S) 111 112 (R V & FV) 116 FSS (Long Actions); 210 Shotgun - use X-high rings; Striker Pistol - Schultz & Larsen - Sears Models 50 51 51L & 53