All Weaver bases are 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