Rear Extension Base for: Beretta Pintail Slug Gun Colt Sauer. 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.

Features:Aluminum;Machined to tight tolerances;Gloss black