Rifle Basix ERV-3K Varmint/Target Trigger for Remington 700, 721, 40x, etc.- Varmint/Target (bench rest) Grade replacement Trigger includes a new safety and bolt stop release. Adjusts from 4 oz. to 20 oz and fits Remington 700, 721, 40X, etc. Rifle Basix after-market triggers feature state of the art CNC machined housings made from T6 6061 billet aluminum and are black anodized for a factory appearance. All internal levers are investment cast from A-2 tool steel, CNC machined and heat treated for excellent wear characteristics. The levers are then electroless nickel plated for smooth operation and a bright appearance.