Glock 30821 Backstrap/Beavertail Set Black Polymer

The Glock 30821 Backstrap/Beavertail Set gives you a factory-backed way to customize your Glock's grip and feel. This black polymer set includes both backstrap and beavertail components—OEM Glock parts made to the same exacting standards as the pistols themselves. Whether you're fine-tuning your carry gun for a better grip angle, reducing felt recoil, or simply preferring the ergonomics of a different palm swell, these genuine Glock parts deliver the reliability and fit you expect from the factory.

Backstrap and beavertail modifications are popular among competitive shooters, concealed-carry shooters, and anyone who wants to dial in their Glock's ergonomics without aftermarket wildcards. Using OEM parts means no guessing about compatibility, material quality, or long-term durability—you get the same polymer compound and precision molding that Glock builds into every pistol. Installation is straightforward for anyone comfortable with basic gunsmithing, and swapping between configurations lets you adapt your gun to different shooting environments and preferences.

Glock's commitment to making every component meet its demanding standards means the 30821 set will function reliably for the life of your pistol. Keep spare backstraps on hand or build out a collection to match different carry methods and use cases. If you run a Glock and want genuine, factory parts to personalize your setup, this is the way to start.

Key Features

• OEM Glock construction and materials
• Includes both backstrap and beavertail components
• Black polymer finish
• Factory reliability and precision fit
• Enables customized ergonomics and grip feel

Specifications

Frequently Asked Questions

What is a backstrap and beavertail, and why would I want to change them?

A backstrap is the curved rear portion of the grip that sits in your palm; a beavertail is the upper rear tang of the grip frame. Swapping these components changes grip angle, palm swell, and ergonomics—helping you fit the gun to your hand better, reduce perceived recoil, or adapt the pistol to different shooting positions and carry methods.

Is this a genuine Glock OEM part?

Yes. The Glock 30821 is an official Glock factory part made with the same materials and standards as original Glock firearms and components.

Which Glock models is this set compatible with?

The facts provided do not specify model compatibility. Confirm compatibility with your specific Glock model before purchase.

What's included in the set?

This set includes both a backstrap and a beavertail component in black polymer. Installation typically requires basic gunsmithing knowledge or professional fitting.