Glock 30821 Backstrap/Beavertail Set, Gen4, Black Polymer

Glock OEM backstrap and beavertail set, part number 30821, provides a factory-designed grip replacement for Glock Gen4 pistols. Manufactured in black polymer to match Glock's original fit and finish, this modular kit addresses grip profile and ergonomics. It is intended for use with Glock G26 and G27 Gen4 models as specified by the OEM product name.

Key Specifications

• The part number is 30821.
• Designed for Glock G26/G27 Gen4 pistols as indicated by the OEM product designation.
• Constructed from black polymer to match factory components.
• Sold as a backstrap and beavertail set.
• The product type is Part.
• Model designation is Gen 4 Modular Backstrap Replacement Kit.
• Category/Subcategory is Handgun Parts.
• Color is Black.
• Material is Polymer.

This OEM Glock backstrap and beavertail set offers a direct-fit replacement to maintain or refine the grip geometry of compatible Gen4 pistols. With factory materials and form, it provides a discrete, durable option for shooters seeking consistent ergonomics and a clean, original-equipment appearance.