Includes (2) 18 degrees interchangeable backstraps to adjust grip size; Quick release optics plate (QRO); Ambidextrous magazine release and slide catch; Stippling grip texture for 360 degrees secure fit with finger indexing; Steel slide with beveled front; Short, crisp trigger with short reset and wide, well-rounded face; Stainless steel barrel; Easy takedown with takedown lever; Snag free functional sights; Includes (1) 13 round extended magazine, (1) 10 round flush magazine and hard case