No. 402S base

Fits:
Anschutz 1568 (front)
Browning Mauser action (front)
Browning BBR long- & short-action (front)
CIL 950, 950-C & 972-C (front)
Colt 57 (front)
Cooey 71 (front)
Enfield receiver cut-down (front)
H&R 300, 301, 330 & 370 made before 1973 (front)
H&R 301 long-action made after 1973 (front)
Herters J9 (front)
High-Standard High-Power (front)
Interarms Viscount (front)
Marlin 455 & MR7 (front)
Mauser receiver ring 1.410" 98F (front)
Marlin receiver ring 1.300" Swedish 96 (front)
Mauser Bauer 3000 & 4000 (front)
Musgrave Mark I-IV (front)
Navy Arms Country Boy Muzzleloader (front or rear)
Parker-Hale 1000, 1000C, 1100, 1200 & 1700 (front)
Savage 10, 12, 16, 510 & 512 (front)
Savage 516 short-action rifle (front)
Savage Striker pistol (front)
Savage 110 E & S, 111, 112R, V & FV, 116FSSLA (front)
Savage 10 shotgun made before 2003 (front)
Savage 110FP, 10FP, 112FV-BV & 12FB-BU w/AccuTrigger (front or rear)
Savage 10 muzzleloader (front)
Sears 50, 51 & 53 (front)
Stevens 110E (front)
Voere 2150, 2165/1-4 Mauser action (front)
Weatherby FN Mauser action (front)
Winchester 52 w/same hole spacing (front)
Winchester 70 LA w/same hole spacing (front)
Winchester 300 Mag (front)
Winchester 70 LA w/different hole spacing & 70 Super Express (front)
Winchester 670 & 770 (front)

Includes custom-hardened fastening screws for mounting