ShapeShift® 4.0 IWB Holster for Rock Island 1911

The ShapeShift® 4.0 IWB Holster, designed for Rock Island 1911, delivers secure and comfortable inside-the-waistband carry with a low-profile fit ideal for daily concealment. Built from advanced composite materials and reinforced with a steel core, this IWB holster offers dependable strength that flexes naturally with your body.

The single mounting point allows the base to contour to your side, enhancing comfort while maintaining a close and stable fit. With adjustable cant and ride height, a full trigger guard, and a slim profile, it provides a customized carry setup with minimal printing.

Fully compatible with the ShapeShift® Modular Holster System, this holster gives Rock Island owners a versatile foundation for adapting to multiple carry positions—all while keeping comfort and security front and center.