# Glock 20 Gen 4: Versatile 10mm Striker Pistol, 15-Round Capacity

**Brand:** Glock
**Category:** Full Size Handguns
**Caliber:** 10MM AUTO

## Specifications

- **Caliber:** 10MM AUTO
- **Barrel Length:** 5"
- **Capacity:** 15 rounds
- **Finish:** Black
- **Weight:** 30.7 oz
- **Overall Length:** 8.07"
- **UPC:** 764503802034
- **SKU:** UCDSUO2eQ

## Description

The Glock 20 Gen 4 is a striker-fired pistol chambered in 10mm with a 15-round capacity. The polymer frame keeps weight down at 1.9 lbs unloaded while the Safe Action system handles safety without a manual lever.

### Key Specifications
- **Caliber:** 10MM
- **Action:** Striker-fired
- **Capacity:** 15 Rounds
- **Barrel Length:** 4.6 inches
- **Weight:** 1.9 lbs (unloaded)
- **Total Length:** 8.07 inches
- **Total Height:** 5.47 inches

### Detailed Features

The Safe Action system integrates three passive safeties - trigger, firing pin, and drop - that all disengage together when you pull the trigger. The polymer frame is light and durable; the textured grip holds up under rapid fire. Fixed sights use a single front dot and two rear dots for fast alignment.

The 4.6-inch barrel balances velocity and manageability well for a full-size 10mm. Adjustable backstraps let you fit the grip to different hand sizes, though some shooters with smaller hands still find it a stretch.

### Usage Scenarios

- **Home Defense**: 15 rounds of 10mm with reliable cycling.
- **Sport Shooting**: Accurate and predictable for competition use by shooters comfortable with the round.
- **Field/Hunting Use**: The 10mm caliber provides real stopping power for outdoor carry in areas with larger wildlife.

## Frequently Asked Questions

**Q: What caliber is the G20?**

A: The G20 is chambered in 10mm Auto.

**Q: Who makes the G20?**

A: The G20 is made by Glock.

**Q: What is the barrel length of the G20 Gen4?**

A: It has a 4.6-inch barrel.

**Q: How many rounds does the G20 Gen4 hold?**

A: It has a 15-round capacity.

**Q: What type of firearm is the G20 Gen4?**

A: It is a full-size striker-fired semi-automatic pistol with a polymer frame.

**Q: Where can I buy the G20 Gen4?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> That's fun. That's fun to shoot when you up the start up in the power.
>
> — [hickok45](https://www.youtube.com/watch?v=_XriTgMzIVk&t=699s)

> One thing about glock is the trigger pull it's a little bit spongy.
>
> — [sootch00](https://www.youtube.com/watch?v=fPWgdEbwA3U&t=210s)

> That's a good shooting round. You get up to 1150, it's still a really sweet shooter. Not not excessive recoil at all.
>
> — [hickok45](https://www.youtube.com/watch?v=_XriTgMzIVk&t=784s)

> You notice you're getting some recoil with that. You can see it. I can feel it. That was probably the hardest recoiling round of the day, I would guess.
>
> — [hickok45](https://www.youtube.com/watch?v=_XriTgMzIVk&t=1110s)

> It's pretty easy to hold on target even with hot ammo.
>
> — [hickok45](https://www.youtube.com/watch?v=_XriTgMzIVk&t=1037s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the G20 Gen 4 generally rate it positively, with a few points that come up repeatedly.

The 10mm caliber is the defining feature, and most buyers chose this pistol for exactly that reason - the stopping power for self-defense or hunting is a genuine advantage. At 15 rounds, the capacity is competitive for a full-size pistol in this caliber. Glock's reliability reputation holds here; owners report consistent function across varied conditions and ammunition types.

Ergonomics get decent marks, but hand size matters more with the G20 than with smaller-framed pistols - the grip is substantial. The adjustable backstraps help but don't resolve it for everyone. Recoil is noticeably more than a 9mm or .40, which some shooters enjoy and others find demanding. The extensive Glock aftermarket means you can customize almost anything. On cost: the pistol itself is competitively priced, but 10mm ammunition runs higher than more common calibers, which is worth factoring into the total cost of ownership.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $579.00 |

## Similar Products

- [Glock G20SF Gen3 10mm Pistol - Compact Power & Precision](https://gunsnation.com/p/glock-g20sf-gen3-10mm-pistol-compact-power-precision/UCDSUNSDy)
- [Glock PowerShot G20 Gen 4: 10mm Semi-Auto with Safe Action System](https://gunsnation.com/p/glock-powershot-g20-gen-4-10mm-semi-auto-with-safe-action-system/UCDSUKgDH)
- [Glock 20 Gen4 10mm Auto Pistol: Precision Power, 15+1 Capacity, Black](https://gunsnation.com/p/glock-20-gen4-10mm-auto-pistol-precision-power-15-1-capacity-black/UCDSUKtPo)
- [Glock G40 Gen 4 MOS 10mm - Precision Optic-Ready Powerhouse](https://gunsnation.com/p/glock-g40-gen-4-mos-10mm-precision-optic-ready-powerhouse/UCDSUKghS)
- [Glock 20SF Full-Size 10mm Powerhouse - Reliable Semi-Auto Pistol](https://gunsnation.com/p/glock-20sf-full-size-10mm-powerhouse-reliable-semi-auto-pistol/UCDSUNSEM)
- [Glock G29SF Gen 3: 10mm Subcompact Powerhouse - Reliable Concealed Carry](https://gunsnation.com/p/glock-g29sf-gen-3-10mm-subcompact-powerhouse-reliable-concealed-carry/UCDSUNUpP)

---
*Data from [GunsNation](https://gunsnation.com)*