In-Depth Glock G23 Gen 4 Review  Beginners/Moderate– A Powerful .40 S&W Compact Pistol

The Glock G23 Gen 4 is a compact, high-capacity .40 S&W pistol that bridges the gap between power and size. Ideal for law enforcement, concealed carriers, and home defense users, the G23 Gen 4 delivers a reliable, accurate, and battle-tested design.

But with the rise of 9mm dominance, many shooters ask: “Is the .40 S&W really dead?” In this comprehensive talk, we’ll not only dive deep into the features, performance, and reliability of the Glock 23 Gen 4, but also compare the .40 S&W vs. 9mm vs. .45 ACP vs. 10mm to see where the .40 S&W stands today.

 – Overview and Key Features

The Glock G23 Gen 4 is the .40 S&W equivalent of the Glock 19, meaning it has:

✅ Compact size for concealed carry
✅ High magazine capacity (13+1 rounds)
✅ Powerful .40 S&W ballistics
✅ Lightweight polymer frame
✅ Renowned Glock reliability

 Specifications

Glock 23 Gen 4 Features & Upgrades

1. Modular Backstrap System for a Custom Fit

One of the biggest upgrades in the Gen 4 models is the modular backstrap system, allowing shooters to adjust grip size for better ergonomics.

2. Dual Recoil Spring Assembly – Reduced Recoil

The Gen 4 introduces a dual recoil spring, which:
✅ Reduces felt recoil (important for snappier .40 S&W)
✅ Increases durability for extended shooting sessions

3. Textured Grip for Improved Control

The Gen 4 grip texture provides better traction compared to the Gen 3, preventing slippage during rapid fire or wet conditions.

4. Enlarged Magazine Release – Faster Reloads

The Glock 23 Gen 4 features a larger, reversible magazine release, making reloads quicker and more efficient, especially for left-handed shooters.

Glock 23 Gen 4 vs. Glock 19 (9mm) – Which One is Better?

Since the Glock 23 Gen 4 (40 S&W) and Glock 19 (9mm) are nearly identical in size, many shooters wonder which is better.

My Take:

✅ Glock 19 (9mm) is better for beginners and cheaper to shoot
✅ Glock 23 (.40 S&W) is better for more stopping power

Is .40 S&W Really Dead?

Many people question the relevance of .40 S&W in today’s market. With agencies switching back to 9mm, some believe the .40 S&W is becoming obsolete. But is that really the case?

The Decline of .40 S&W – Why Did It Happen?

1. 9mm Ammo Improved – With modern ballistics, 9mm hollow points now offer similar stopping power with less recoil.
2. Higher Capacity in 9mm – More rounds per magazine means fewer reloads in defensive situations.
3. Less Recoil in 9mm – Faster follow-up shots make 9mm easier to shoot.
4. Wear & Tear on Guns – .40 S&W is harder on firearms, reducing their lifespan faster than 9mm.

Why .40 S&W is Still Relevant

1. More Stopping Power – .40 S&W delivers better penetration and expansion than 9mm.
2. Law Enforcement Use – Some agencies still use .40 S&W for its superior ballistics.
3. More Versatile – .40 S&W can be converted to 9mm or .357 SIG with a simple barrel swap.

.40 S&W vs. 9mm vs. .45 ACP vs. 10mm

My take :

• 9mm is best for capacity and affordability
• .40 S&W is a great middle-ground with more power
• .45 ACP has legendary stopping power but low capacity
• 10mm is a powerhouse for bear defense and hunting

(FAQs)

1. Can I Convert My Glock 23 Gen 4 to 9mm?

Yes! With a conversion barrel, you can shoot 9mm from your Glock 23, making it more versatile.

2. Is the Glock 23 Gen 4 a Good Carry Gun?

Yes! It offers a balance between firepower and size, making it ideal for concealed carry and home defense.

3. Does .40 S&W Have More Stopping Power Than 9mm?

Yes, .40 S&W generally has more kinetic energy, resulting in better penetration and expansion.

4. Should I Choose .40 S&W or 9mm?

• 9mm is better for new shooters, cheaper ammo, and higher capacity.
• .40 S&W is great if you want more stopping power and don’t mind slightly more recoil.

 – Is the Glock G23 Gen 4 Worth It?

The Glock 23 Gen 4 is a reliable, powerful, and versatile pistol.
It’s a great option for those who want more power than 9mm but don’t want to jump to .45 ACP.
If you want an easy-to-carry, high-capacity, and hard-hitting handgun, the G23 Gen 4 is an excellent choice.

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