---
product_id: 22509175
title: "Jentra JP7 Grip Frame Insert Plug for Glock Gen 4 20, 21, 40, 41 in 10mm & .45, Black Polymer - Plain"
brand: "ndz performance"
price: "81 zł"
currency: PLN
in_stock: true
reviews_count: 9
category: "Ndz Performance"
url: https://www.desertcart.pl/products/22509175-jentra-jp7-grip-frame-insert-plug-for-glock-gen-4
store_origin: PL
region: Poland
---

# Precision friction-fit retention Seals grip cavity to block debris Proudly made in the USA Jentra JP7 Grip Frame Insert Plug for Glock Gen 4 20, 21, 40, 41 in 10mm & .45, Black Polymer - Plain

**Brand:** ndz performance
**Price:** 81 zł
**Availability:** ✅ In Stock

## Summary

> 🖤 Lock in your grip’s integrity with NDZ’s sleek plug—because every detail counts.

## Quick Answers

- **What is this?** Jentra JP7 Grip Frame Insert Plug for Glock Gen 4 20, 21, 40, 41 in 10mm & .45, Black Polymer - Plain by ndz performance
- **How much does it cost?** 81 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/22509175-jentra-jp7-grip-frame-insert-plug-for-glock-gen-4)

## Best For

- ndz performance enthusiasts

## Why This Product

- Trusted ndz performance brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Debris Defense Mastery:** Seals the open grip cavity to protect your trigger assembly and firing pin from dirt and grime.
- • **Tailored for Glock Gen 4:** Specifically engineered for Glock Gen 4 models 20, 21, 40, and 41 in 10mm & .45 caliber for a flawless fit.
- • **Sleek, Stealth Black Polymer:** Durable polymer construction in classic black blends seamlessly with your firearm’s aesthetics.
- • **Trusted American Craftsmanship:** NDZ Performance delivers reliable quality with every piece, proudly made in the USA.
- • **Effortless Snap-In Installation:** Friction-fit design means no tools, no hassle—install in seconds and get back to your mission.

## Overview

The NDZ Performance Jentra JP7 Grip Frame Insert Plug is a precision polymer accessory designed exclusively for Glock Gen 4 models 20, 21, 40, and 41 chambered in 10mm and .45. It closes the open cavity at the bottom of the grip to prevent debris from compromising the trigger assembly and firing pin. Featuring a quick, tool-free friction fit installation, this black polymer plug is a must-have upgrade for maintaining firearm reliability. Proudly made in the USA, NDZ Performance ensures a perfect fit and trusted durability for discerning Glock owners.

## Description

The NDZ Performance P7 Polymer Grip Frame Insert Plug will fit GEN 4 Glock models 20, 21, 40, 41. Please note: This plug will not work with pistols using the Glock OEM Removable Backstraps. The NDZ Polymer Grip Frame Insert Plug is designed to close the open cavity at the bottom of the grip, not allowing debris to enter and reach trigger assembly and firing pin. This plug utilizes a friction fit for retention. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.

Review: Nice job NDZ - Great product don’t know why Glock doesn’t include this but NDZ has a perfect fit especially value for the money.
Review: Perfect Fit - Fast Shipping - It’s an expensive little piece of plastic that I suspect cost about .5 cents to manufacture, but the fit is 100% spot on, and it fills that gap perfectly on my Glock 21 Gen-4. The packaging it came in probably cost NDZ more to acquire than the piece itself. As other reviews have indicated, if you want to use this part, you cannot use the grip extensions in conjunction with it. I don’t use them to begin with, so this plug works for me. The installation took about three seconds. Easy.

## Features

- NDZ Performance Plain P7 Grip Frame Plug Fits: Glock Gen 4 20 21 40 41 in 10mm & .45. Does Not Fit: All other Generations and Models
- NOTE: This plug WILL NOT work with pistols using the Glock OEM Removable Backstraps.
- Grip plug is designed to close the open cavity at the bottom of the grip, not allowing debris to enter and reach trigger assembly and firing pin.
- Quick install using a tight friction fit for retention
- NDZ Performance is a trusted brand, proudly made in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00QMRKIKC |
| Best Sellers Rank | #286,287 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,080 in Hunting & Shooting Gun Grips |
| Brand Name | NDZ Performance |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (440) |
| Date First Available | December 5, 2014 |
| Grip Size | Standard |
| Item Package Dimensions L x W x H | 6.14 x 3.66 x 0.43 inches |
| Item Weight | 0.2 Ounces |
| Manufacturer | NDZ Performance |
| Material | Polymer |
| Package Weight | 0.02 Kilograms |
| Part Number | NDZ-JP7-000 |

## Product Details

- **Brand:** NDZ Performance
- **Color:** Black
- **Grip Size:** Standard
- **Manufacturer:** NDZ Performance
- **Material:** Polymer

## Images

![Jentra JP7 Grip Frame Insert Plug for Glock Gen 4 20, 21, 40, 41 in 10mm & .45, Black Polymer - Plain - Image 1](https://m.media-amazon.com/images/I/61TO03fn5FL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice job NDZ
*by K***3 on December 14, 2025*

Great product don’t know why Glock doesn’t include this but NDZ has a perfect fit especially value for the money.

### ⭐⭐⭐⭐⭐ Perfect Fit - Fast Shipping
*by D***W on September 16, 2025*

It’s an expensive little piece of plastic that I suspect cost about .5 cents to manufacture, but the fit is 100% spot on, and it fills that gap perfectly on my Glock 21 Gen-4. The packaging it came in probably cost NDZ more to acquire than the piece itself. As other reviews have indicated, if you want to use this part, you cannot use the grip extensions in conjunction with it. I don’t use them to begin with, so this plug works for me. The installation took about three seconds. Easy.

### ⭐⭐⭐⭐⭐ Fills the gap
*by S***L on August 20, 2025*

Perfect fit to fill the gap. The only drawback is when you install this, you can no longer use the grip overlays. Will not allow them to mount flush.

## Frequently Bought Together

- NDZ Performance Jentra JP7 Grip Frame Insert Plug for Glock Gen 4 20, 21, 40, 41 in 10mm & .45, Black Polymer - Plain
- TOFEIC Grip Frame Insert Plug for Gen 1-5 Glock 17 18 19 20 21 22 23 24 25 31 32 34 35 43X 48
- TALON Grips for Glock 20/21/41 Granulate Texture

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-17*