Compatibility: Specifically engineered for Security-Six and Police Service-Six models with a Serial Number Prefix of #151 or above (Post-1976 production), providing a secure, high-performance fit that will NOT fit early "low-back" variants or those with serial numbers below 151. This Hogue grip features natural variations in wood grain, color, and finish that make every piece unique. Because of this, the grip you receive may appear lighter, darker, or slightly different in tone or pattern from the photos shown. Premium Pau Ferro Hardwood: Exotic hardwood with rich, natural grain patterns for a classic and elegant look. Smooth Texture: This polished, hand-finished surface provides a clean aesthetic and a comfortable feel, allowing for a snag-free draw and natural movement in any shooting conditions. Easy Installation: No special tools required for installation, allowing for a quick and seamless upgrade to your revolver’s grip. Give your Ruger Security‑Six a refined, durable upgrade with this precision‑fit Pau Ferro wood grip. Machined from premium Pau Ferro hardwood, the grip offers a snug, no‑slop fit that improves handling and control while adding timeless style. Ergonomic contours reduce hand strain for more comfortable shooting, and the dense, moisture‑resistant wood ages beautifully, making this an ideal upgrade for range use, carry, or display.