Grip Plug for Glock Gen 4-5 with Backstrap – Heavyweight Brass – Fits G17 G19 G22 G23 G31 G34 G45 G47 – Cerakote Finish, Optional Laser Engraving – Made in USA

Solid Brass Construction with Added Weight – CNC-machined from solid brass and weighing over 1.15 oz., this grip plug adds strategic weight at the base of your Glock to improve balance and reduce muzzle flip.
Designed for Use with Backstrap Installed – Precision fit for Glock Gen 4-5 pistols with factory backstrap installed. Compatible with G17, G17L, G19, G22, G23, G24, G31, G32, G34, G35, G37, G38, G45, and G47. Not compatible with Gen 1-3 or G19X.
Cerakoted Finish for Custom Look & Durability – Available in multiple Cerakote color finishes, offering enhanced corrosion resistance and a unique personalized aesthetic.
Optional Laser-Engraved Designs Available – Choose from a wide variety of laser-engraved images to give your Glock a distinct, custom appearance
Proudly American Made by NDZ Performance – Engineered, machined, and finished in the USA using premium materials and tight tolerances. Backed by over 20 years of firearms accessory innovation.

Heavyweight Brass Insert Grip Plug for Glock Gen 4-5 – Cerakote Finish – Fits G17, G19, G22, G23, G31, G34, G45, G47 – USA Made Custom UpgradeTake your Glock’s performance and control to the next level with the NDZ Performance Heavyweight Brass Grip Plug, specifically designed for Glock Gen 4-5 models equipped with a backstrap. This plug fills the open grip cavity located behind the magazine well, helping to block out dirt and debris while adding over 1.15 ounces of dense brass at the bottom of your frame—exactly where added weight makes the most difference in recoil mitigation and shooting stability.Available in a range of durable Cerakoted finishes, this listing allows for optional laser-engraved image customization without color fill. Whether for tactical use, range performance, or EDC refinement, this grip plug provides both function and flair.Like all NDZ parts, it's machined in the USA with precision and care, delivering a secure fit, enhanced shooting characteristics, and durable construction you can trust.Why Choose NDZ PerformanceNDZ Performance is trusted by firearm enthusiasts and professionals for a reason. With over two decades of experience producing premium aftermarket components, we’re committed to precision, quality, and customization. Whether you're improving recoil management or building a one-of-a-kind setup, NDZ is the brand that delivers.