• Comfortable, precision-molded Zytel® polymer grip frame with a serrated frontstrap and checkered backstrap.
• Internal cylindrical bolt construction ensures permanent sight-to-barrel alignment and higher accuracy potential than conventional moving-slide designs.
• Contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round.
• Manual safety positively locks the sear when applied.

• Features an unobtrusive internal lock that locks the safety in the “SAFE” position and allows you to safely secure the firearm when not in use.
• Patented loaded chamber indicator that allows for visual confirmation of a loaded or empty chamber.
• Features a conveniently located push-button magazine release on the left side of the frame.

• Magazine disconnect prevents discharge when the magazine has been removed.
• Checkered, 1911-style grip panels for a great appearance and comfortable, non-slip hold.
• Also includes: two magazines and internal lock key.

http://www.ruger.com/products/2245/overview.html