# CMMG Banshee G1 5.7x28mm Semi-Auto, 20-Round, Optics Ready

**Brand:** CMMG
**Category:** Pistol Caliber Carbines
**Caliber:** 5.7x28mm

## Specifications

- **Caliber:** 5.7x28mm
- **Barrel Length:** 8"
- **Capacity:** 20 rounds
- **UPC:** 810148624378
- **SKU:** UCEGJR44Q

## Description

The CMMG Banshee is a semi-automatic pistol chambered in 5.7x28mm with an 8-inch barrel and 20-round capacity. It ships optics-ready with no sights installed, leaving the top rail open for whatever optic suits the user's application.

### Key Specifications
- SKU: 2024036508
- UPC: 810148624378
- Condition: New in Box
- Safety: CMMG Zeroed 60/90 Degree
- Trigger: Standard
- Grip: CMMG Zeroed
- Sights: None (optics ready)
- Barrel Length: 8 inches
- Capacity: 20 rounds
- Action: Semi-Auto
- Caliber: 5.7x28mm
- Model Name: Banshee
- Brand: CMMG

### Detailed Features
The 8-inch barrel gives the 5.7x28mm cartridge room to develop velocity while keeping the overall package compact enough for close-quarters use. The CMMG Zeroed grip is shaped for consistent hand placement, which helps with control during faster firing. The 60/90-degree safety is easy to manipulate without shifting grip.

With 20 rounds on tap and the relatively flat-shooting characteristics of 5.7x28mm, the Banshee handles both range work and home defense applications without requiring significant setup changes between uses.

## What Reviewers Say

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

> This little 40 green bullet is causing that target to move a bit more than I had thought especially at 100.
>
> — [TheFirearmGuy](https://www.youtube.com/watch?v=QcyUbtNektk&t=82s)

> There can be a lot more violent action coming back and give you that recoil but it helps to mitigate it with that delay in the bolt and so it just makes it a real pleasure to shoot.
>
> — [sootch00](https://www.youtube.com/watch?v=St_mfytrgxk&t=555s)

> See how well I did but I did hear steel ringing at a hundred yards and I sure did enjoy.
>
> — [TheFirearmGuy](https://www.youtube.com/watch?v=QcyUbtNektk&t=173s)

> Man it just really had tight groups this is really a great rifle.
>
> — [sootch00](https://www.youtube.com/watch?v=St_mfytrgxk&t=638s)

> One of the great things about the caliber and especially in this configuration is that it is just such a joy to shoot.
>
> — [sootch00](https://www.youtube.com/watch?v=St_mfytrgxk&t=876s)

## What Customers Say

*AI-generated insights from customer reviews*

The CMMG Banshee G1 in 5.7x28mm draws consistent interest from shooters who want something different from standard 9mm or .45 ACP platforms. The lightweight, compact build and optics-ready setup are regularly cited as highlights, particularly for users who want to run a red dot from the start.

Reliability and smooth operation come up frequently in positive reviews, with most users reporting clean cycling across different load types. The 20-round capacity is generally seen as adequate for the platform's intended uses.

The main concerns in discussions are price relative to other options in the category and ammunition availability. 5.7x28mm is less common than major handgun calibers, which affects both cost and practical access for regular range training. Shooters who already have a supply of the cartridge tend to be more satisfied with the value proposition.

## Pricing

**8 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $1552.85 |
| Shootingsurplus Com | $1569.60 |
| Impactguns Com | $1572.89 |
| Buds Gun Shop | $1576.49 |
| Primaryarms Com | $1599.99 |
| Globalordnance Com | $1626.16 |
| Deguns | $1668.99 |
| RK Guns | $1699.97 |

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- [CMMG Banshee 5.7x28mm Semi-Auto Pistol, 8" Barrel, 32+1 RD](https://gunsnation.com/p/cmmg-banshee-5-7x28mm-semi-auto-pistol-8-barrel-32-1-rd/UCEGJR3zr)
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*Data from [GunsNation](https://gunsnation.com)*