Both of the Borden SSR and LSR Rimrock Actions replicate the Remington 700 with a tang shape. These actions offer concentric threads, perpendicular bolt face, perpendicular locking lugs, perpendicular action face, Borden Bumps for a very close bolt body to action bore fit when bolt is closed, 8x40 milled and thread milled holes, removable trigger carriers, stainless steel hardened bodies, Sako style extractor, and designed to fit Rem 700 stock inlets making them ideal for light hunting and BR hunting rifles.