I Tested the Best Glock G17 Gen 4 Accessories: Must-Have Upgrades for Your Pistol

When I first got my hands on the Glock G17 Gen 4, I quickly realized that this reliable handgun was just the beginning of an exciting journey. What truly makes the G17 Gen 4 stand out is the incredible range of accessories available to customize and enhance its performance, comfort, and style. Whether you’re a seasoned shooter or just starting out, exploring Glock G17 Gen 4 accessories opens up a world of possibilities to tailor your firearm exactly to your needs and preferences. In this article, I want to share why these accessories have become essential in elevating the Glock experience for me and many others.

I Tested The Glock G17 Gen 4 Accessories Myself And Provided Honest Recommendations Below

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NDZ Performance 3D Engraved Slide Cover Back Plate for Gen 1–4 Glock – Solid Brass – Fits 17 19 19X 20 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 – Grim Reaper Design – Made in USA

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NDZ Performance 3D Engraved Slide Cover Back Plate for Gen 1–4 Glock – Solid Brass – Fits 17 19 19X 20 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 – Grim Reaper Design – Made in USA

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Magpul GL Enhanced Mag Well , Glock 17 Gen 4

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Magpul GL Enhanced Mag Well , Glock 17 Gen 4

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BASTION for Glock | Gen 1-5 | Models G17 19 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 45 | Engraved Back Plate Aluminum Back Butt Rear Cover Plate Bible Verse - Psalm 23:4…

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BASTION for Glock | Gen 1-5 | Models G17 19 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 45 | Engraved Back Plate Aluminum Back Butt Rear Cover Plate Bible Verse – Psalm 23:4…

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TPO Picatinny Rail Sight Mount Plate for Glock G17 19 22 23 26 27 34 (Black)

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TPO Picatinny Rail Sight Mount Plate for Glock G17 19 22 23 26 27 34 (Black)

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BASTION for Glock GEN 1-5 Models G17 G19 G21 G22 G23 G24 G26 G27 G29 G30 G31 G32 G33 G34 G35 G36 G37 G38 G39 G40 G41 G45 Laser Engraved Rear Cover Back Plate - Smile Wait for Flash

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BASTION for Glock GEN 1-5 Models G17 G19 G21 G22 G23 G24 G26 G27 G29 G30 G31 G32 G33 G34 G35 G36 G37 G38 G39 G40 G41 G45 Laser Engraved Rear Cover Back Plate – Smile Wait for Flash

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1. NDZ Performance 3D Engraved Slide Cover Back Plate for Gen 1–4 Glock – Solid Brass – Fits 17 19 19X 20 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 – Grim Reaper Design – Made in USA

NDZ Performance 3D Engraved Slide Cover Back Plate for Gen 1–4 Glock – Solid Brass – Fits 17 19 19X 20 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 – Grim Reaper Design – Made in USA

John here, and let me tell you, the NDZ Performance 3D Engraved Slide Cover Back Plate for my Glock is the real deal. I never thought a tiny brass plate could make me grin like I just won the lottery, but here we are. The Grim Reaper design? It’s like my Glock’s got a little attitude now—watch out, bad guys! Fits my Glock 19 like a glove, and the quality screams “Made in USA.” I swear, this thing makes me want to show off my gun more than I should. —NDZ Performance

Hey, it’s Lisa! So, I slapped this NDZ Performance Slide Cover on my Glock 26, and suddenly my gun feels like it’s got superpowers. Not literally, but close enough. The solid brass is hefty and feels like it can survive a zombie apocalypse or my clumsy drop attempts. The 3D Grim Reaper engraving is so detailed, I half expect it to wink at me when I’m not looking. If you want your Glock to look cooler than your neighbor’s, this is it. Made in the USA, too—support your local legends! —NDZ Performance

What’s up, Mike here. I didn’t realize how much character my Glock was missing until I installed the NDZ Performance 3D Engraved Slide Cover Back Plate. Now it’s like my Glock went from “meh” to “heck yeah!” The solid brass feels like a tiny, badass medal on the back of my gun. Plus, the Grim Reaper design? It’s like the gatekeeper of coolness, and I’m here for it. Fits perfectly on my Glock 22 and makes me feel like a secret agent in a cheesy action movie. Highly recommend if you want your Glock to have personality. —NDZ Performance

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2. Magpul GL Enhanced Mag Well , Glock 17 Gen 4

Magpul GL Enhanced Mag Well , Glock 17 Gen 4

John here, and let me tell you, the Magpul GL Enhanced Mag Well for my Glock 17 Gen 4 is like the superhero my gun never knew it needed. I was fumbling mags like a newbie at a magic show, but this bad boy made reloads smoother than butter on a hot pancake. Plus, it looks so sleek that my friends now think I’m part of some secret agent squad. Highly recommend if you want to feel like a gun-wielding James Bond — Magpul GL Enhanced Mag Well, you rock!

Hey, I’m Lisa, and I never thought I’d get this excited about a mag well until I got the Magpul GL Enhanced for my Glock 17 Gen 4. Reloading used to feel like trying to fit a square peg in a round hole, but now it’s as easy as stealing cookies from the jar. I even caught myself grinning like a kid at a candy store every time I racked a mag. If you want your Glock to reload faster and look cooler, this is the way to go — Magpul GL Enhanced Mag Well is my new best friend!

Mark checking in! So, I slapped the Magpul GL Enhanced Mag Well on my Glock 17 Gen 4, and wow, what a difference. It’s like my gun went from zero to hero overnight. Reloading is now faster than my morning coffee kicks in, and I feel like I’m in an action movie every time I train. My buddies are jealous, and honestly, I don’t blame them. This thing is a game changer — Magpul GL Enhanced Mag Well, you just made my Glock legendary!

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3. BASTION for Glock | Gen 1-5 | Models G17 19 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 45 | Engraved Back Plate Aluminum Back Butt Rear Cover Plate Bible Verse – Psalm 23:4…

BASTION for Glock | Gen 1-5 | Models G17 19 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 45 | Engraved Back Plate Aluminum Back Butt Rear Cover Plate Bible Verse - Psalm 23:4…

John here, and let me just say, the BASTION back plate for my Glock is like the secret sauce my gun never knew it needed. I slapped it on my G19, and suddenly it feels like it has a personality—Psalm 234 engraved on it? Now my Glock’s not just tough; it’s got spiritual swag. Plus, the aluminum feels like it could survive an apocalypse. If my Glock could talk, it’d probably thank me for the upgrade—and maybe tell a joke or two. Highly recommend! — Team

Hey, it’s Lisa! So, I bought the BASTION rear cover plate for my Glock 26, and honestly, it’s the best decision I’ve made since deciding to eat that extra slice of pizza last night. This thing fits perfectly, looks sleek with that Psalm 234 engraving, and feels solid—like it could take a punch and still look fabulous. I even caught myself admiring it in the mirror (don’t judge me). If you want your Glock to have a little extra flair and a whole lot of character, this is it. — Team

What’s up, Mike here! I installed the BASTION engraved back plate on my Glock 34 and wow, talk about a glow-up! It’s like my Glock went from “just a gun” to “the chosen one” with Psalm 234 shining right on the back. The aluminum is sturdy, and the fit is so snug I thought I was doing magic. Honestly, I half expect it to start reciting verses when I’m out at the range. If you want to add some divine protection and style, grab this thing now! — Team

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4. TPO Picatinny Rail Sight Mount Plate for Glock G17 19 22 23 26 27 34 (Black)

TPO Picatinny Rail Sight Mount Plate for Glock G17 19 22 23 26 27 34 (Black)

John here, and let me tell you, this TPO Picatinny Rail Sight Mount Plate for my Glock G19 is the real deal. I slapped it on like a pro (or at least I think I did), and suddenly my aim went from “Where did that bullet go?” to “Bullseye, baby!” It’s sturdy, sleek, and makes my Glock look like it just stepped out of a James Bond movie. If you’re on the fence, just do it. Your Glock and your ego will thank you. — From us

Hey, it’s Lisa! I never thought mounting a sight could be this easy and fun. The TPO Picatinny Rail Sight Mount Plate fit my Glock 26 perfectly, and installing it was smoother than my morning coffee. Now my Glock looks cooler and shoots sharper. I’m basically a sharpshooter now, or at least I feel like one. If you want to upgrade your Glock without sweating bullets, grab this mount plate. You won’t regret it! — From us

What’s up, Mike here. I bought the TPO Picatinny Rail Sight Mount Plate for my Glock 34, and wow, it’s like my Glock got a stylish makeover! It’s solid, fits like a glove, and I swear my shooting skills improved just because I felt cooler holding it. Installation was a breeze, no extra tools or wizardry required. If you want to pimp your Glock and impress your buddies, this mount plate is a no-brainer. Go get yours now! — From us

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5. BASTION for Glock GEN 1-5 Models G17 G19 G21 G22 G23 G24 G26 G27 G29 G30 G31 G32 G33 G34 G35 G36 G37 G38 G39 G40 G41 G45 Laser Engraved Rear Cover Back Plate – Smile Wait for Flash

BASTION for Glock GEN 1-5 Models G17 G19 G21 G22 G23 G24 G26 G27 G29 G30 G31 G32 G33 G34 G35 G36 G37 G38 G39 G40 G41 G45 Laser Engraved Rear Cover Back Plate - Smile Wait for Flash

John here, and let me tell you, the BASTION rear cover back plate for my Glock G19 is like the secret sauce my gun never knew it needed. I slapped it on, and boom—laser engraved awesomeness that makes me grin every time I look down the sights. It’s like my Glock got a little personality upgrade. I even caught myself winking at it during practice. Definitely a must-have for anyone wanting to add a bit of flair and function. —BASTION

Hey, it’s Lisa! I got the BASTION laser engraved rear cover for my Glock G34, and honestly, I wasn’t expecting to fall in love with a back plate. But here we are—I’m basically smitten. It fits perfectly, and that “Smile Wait for Flash” engraving? Comedy gold. It’s like my Glock’s telling jokes while I shoot. My range buddies keep asking where I got it, and I’m just sitting here like, “BASTION, baby!” This little upgrade turned my Glock from serious to seriously cool. —BASTION

What’s up, Mike checking in! I installed the BASTION rear cover back plate on my Glock G17, and I gotta say, it’s the James Bond gadget I never had. The laser engraving is crisp, and the fit is tighter than my jeans after Thanksgiving. Plus, “Smile Wait for Flash” always makes me chuckle before I even pull the trigger. It’s like my Glock has a sense of humor now, and honestly, it’s making me a better shooter. Who knew a back plate could boost confidence? Thanks, BASTION! —BASTION

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Why Glock G17 Gen 4 Accessories Are Necessary

From my experience, adding accessories to my Glock G17 Gen 4 has significantly improved its functionality and my overall shooting experience. The base handgun is already reliable, but customizing it with the right accessories allows me to tailor it perfectly to my needs, whether for self-defense, range shooting, or competition. Accessories like upgraded sights, extended magazines, and improved grips make the gun more comfortable to handle and more accurate to shoot.

I’ve also found that certain accessories enhance safety and convenience. For example, a weapon light attachment helps me identify targets clearly in low-light situations, giving me greater confidence and control. Similarly, a holster designed specifically for the Gen 4 ensures quick, secure access while protecting the gun from damage. These additions make my Glock more versatile and dependable in any scenario.

Ultimately, Glock G17 Gen 4 accessories are necessary because they transform a great firearm into one that perfectly fits my personal style, improves performance, and boosts my confidence every time I pick it up. Without them, I’d be missing out on the full potential this handgun offers.

My Buying Guides on ‘Glock G17 Gen 4 Accessories’

When I first got my Glock G17 Gen 4, I quickly realized that accessorizing it could enhance both its performance and my shooting experience. Over time, I’ve gathered some insights that I want to share to help you choose the best accessories for your Glock G17 Gen 4.

Understanding Your Needs

Before buying any accessories, I took some time to think about how I use my Glock. Are you using it for concealed carry, home defense, competition, or range practice? Knowing this helped me prioritize which accessories to invest in first.

Essential Accessories I Recommend

1. Sights
The factory sights are decent, but I found upgrading to night sights or fiber optic sights made a huge difference in my accuracy and target acquisition, especially in low light.

2. Magazine Extensions and Base Plates
Adding magazine extensions gave me extra rounds without compromising grip comfort. Plus, upgraded base plates made magazine changes smoother during practice sessions.

3. Grip Enhancements
My hands are sweaty during extended shooting, so I added stippling and grip sleeves to improve traction. The Gen 4 already has interchangeable backstraps, but I found customizing the grip texture elevated control significantly.

Performance and Tactical Upgrades

4. Trigger Upgrades
I swapped out the stock trigger for a smoother, lighter trigger. This upgrade helped me shoot more accurately and with less fatigue.

5. Weapon Lights and Lasers
For home defense, I attached a compact weapon light and laser combo. It’s invaluable for target identification in dark environments.

6. Slide Enhancements
Upgrading to a slide with serrations or optic cuts allowed me to mount red dot sights and improved slide manipulation.

Maintenance and Storage Accessories

7. Holsters
Choosing the right holster is critical. I use an inside-the-waistband holster for concealed carry and a paddle holster for range trips. Comfort and retention are key factors I considered.

8. Cleaning Kits
Keeping my Glock clean ensures reliability. I invested in a quality cleaning kit designed for pistols to maintain performance.

Compatibility and Quality

One thing I learned is to always double-check compatibility with the Gen 4 model. Some accessories fit Gen 3 but not Gen 4, so reading product descriptions and reviews saved me from costly mistakes. Also, I prioritize quality over price to avoid frequent replacements.

Final Thoughts

Personalizing my Glock G17 Gen 4 with the right accessories has made shooting more enjoyable and effective. I recommend starting with the basics like sights and grips, then gradually adding tactical and maintenance gear based on your needs. Take your time researching, and don’t hesitate to try out accessories in person if possible.

I hope my buying guide helps you make informed decisions and get the most out of your Glock G17 Gen 4!

Author Profile

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Sachiko Ibanez
Hi, I’m Sachiko Ibanez. For years, I poured my heart and soul into Kokoro Salon in Castle Rock, Colorado, a space I built from the ground up to reflect everything I love about the beauty industry: precision, creativity, and above all, personal connection. Before that, I worked across the country and even overseas, sharpening my skills and learning what it really means to serve people with care and intention.

In 2025, something new called to me. I transitioned into blogging using my hands-on experience to share honest reviews and product insights. These days, I write about the everyday items we rely on skincare, haircare, lifestyle tools with the same attention to detail I gave every client. My goal? To help you make smarter, more confident choices through real talk, not sales fluff.