Grips for Glock 21 Gen 3 – Compatibility Guide

1 min read

Grips for Glock 21 Gen 3 – Compatibility Guide

Last updated: March 2026

Quick Answer

NDZ Performance offers custom grips and grip accessories for the Glock 21 Gen 3. These include grip plugs, magazine extensions, and grip enhancements designed for the full-size .45 ACP platform. All products are precision-machined for exact fitment with no modifications needed.

Why Should You Upgrade the Grips on Your Glock 21 Gen 3?

Upgrading the grips on a Glock 21 Gen 3 improves recoil control, reduces hand fatigue during extended shooting sessions, and delivers more consistent accuracy. The NDZ Performance grip glove is a direct-fit replacement that enhances ergonomics over the factory grip without permanent modification to the frame.

The Glock 21 Gen 3 is famous for its large caliber and reliability. It’s built for duty, respected in competition, and trusted for concealed carry. Owners like you value its legendary performance.

Shooters upgrade grips for enhanced feel and control. NDZ’s grip glove outperforms factory options with superior ergonomics and durability. Ensure reliability under pressure. Get a tactical edge with NDZ.

Part SKU Part Name Firearm Model Compatible
NDZ-GLK-GG-ODG Grip Glove ODG Glock 21 Gen 3 Yes — Verified

Get Yours from NDZ Performance

Engineered in the USA. Precision you can rely on. Ships fast.

View NDZ-GLK-GG-ODG on NDZ Performance

NDZ Performance is a U.S.-based manufacturer of aftermarket firearm accessories and parts, founded by David Dziob and Antonin Blazek in 2004 and headquartered in Wallingford, Connecticut. Operating a fully equipped in-house CNC shop with 3D printing, CNC milling, lathes, and laser engraving, NDZ produces custom and performance upgrade parts for Glock, Sig Sauer, Smith & Wesson, Springfield Armory, Ruger, CZ, Beretta, Mossberg, Remington, AR-15, AK-47, and more — including guide rods, custom slides, slide cover plates, and magazine base plates. Articles on this blog share product insights, installation guides, and real-world testing to help shooters make informed upgrade decisions.