The gloss black Top Mount Base #40A from Weaver has been machined to tight tolerances for a custom fit. This aluminum base offers maximum strength so that the rings will hold tight.
Compatibility
Rear Extension Base for:Beretta Pintail Slug Gun Colt Sauer
Front Extension Base for: Beretta Pintail Slug Gun BSA Monarch Medium Action in 222, 243, 308; CF2, Monarch Long Action in 7mm, 270, 30-06 Churchill Highlander Mossberg 100 ATR, 1500, 1700 Colt Sauer Enfield with receiver cut down like Remington 721 H&R 317, 322 Herters U9 Round Receiver Howa Howa Raptor Arms same as Remington 700 Long Action Remington 700, 78, 40X-L, 721, 725 (all long actions), 700, 78, 40X-S, 722, 725 (all short actions), 700 Muzzleloaders Ruger M77 (round top drilled) Sauer 200 Shilen Round Receiver Smith & Wesson 1500, 1600, 1700 Weatherby Vanguard
Note: The Raptor Arms that is the same as the Remington 700 Long Action and the BSA Monarch Medium Action in 222, 243, 308; CF2, Monarch Long Action in 7mm, 270, and 30-06 can be used with a tactical multi-slot base
Note: For the Weatherby Vanguard shimming is probably required for perfect scope alignment. For 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".
Front Extension Base for:
Note: The Raptor Arms that is the same as the Remington 700 Long Action and the BSA Monarch Medium Action in 222, 243, 308; CF2, Monarch Long Action in 7mm, 270, and 30-06 can be used with a tactical multi-slot base
Note: For the Weatherby Vanguard shimming is probably required for perfect scope alignment. For 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".
UPC: 076683480408