used as rear base on: Remington 700 & 78 L/A, 721, 40X-L, 725 long actions, 700 & 78 S/A, 722, 40X-S, 725 short actions, 700 ML
Weatherby Mark V std cal inscluding 240 mag centerfire pstl, 224 Varmintmaster, Ultra Lightweight VanguardShimming may be required for proper scope alignment