This is a Hogue Rubber known as the HandAll Beavertail Grip Sleeve, model 18710.
Fit" function" superior performance and world-class design are hallmarks of the Hogue name. When you purchase a Hogue product you're carrying a piece of Hogue family history. Hogue products are designed from the ground up to enhance your sporting experience. The brightest ideas" the finest materials and the world's best manufacturing practices are united under the Hogue name.
Features:
Precision fit for SIG SAUER P365 XL models
• Color: Black
FEATURES:
• Gentle palm swells fit comfortably in hand
• Finger grooves naturally position fingers for optimal grip
• Textured with Hogue's famous Cobblestone™ pattern for increased comfort and grip
• Beavertail™ cushions the hand on recoil and offers increased hand comfort higher on the grip
• Made from long lasting durable thermoplastic elastomer that ages gracefully for years of service
• Designed for a tight and secure fit engaging with the texture and contours of the firearm's frame