# Kel-Tec RDB Tan .223/5.56 Bullpup Semi-Auto Rifle

**Brand:** Kel-Tec
**Category:** Bullpup Rifles
**Caliber:** .223 Remington

## Specifications

- **Caliber:** .223 Remington
- **Barrel Length:** 20"
- **Capacity:** 20 rounds
- **Finish:** Salt Bath Nitride
- **Weight:** 112 oz
- **Overall Length:** 30"
- **UPC:** 640832005998
- **SKU:** UCBHUnmyk

## Description

The Kel-Tec RDB is a bullpup semi-automatic rifle chambered in .223 Rem / 5.56 NATO with a 20-inch barrel. Overall length is 30 inches; weight is 7 lbs (112 oz). Capacity is 20 rounds. Finish is tan. The receiver has no fixed sights. Front and rear Picatinny rails allow optic mounting.

### Key Specifications
- **Manufacturer:** Kel-Tec
- **Model:** RDB
- **Caliber:** .223 Rem / 5.56 NATO
- **Barrel Length:** 20 inches
- **Capacity:** 20 rounds
- **Weight:** 7 lbs (112 oz)
- **Total Length:** 30 inches
- **Finish Color:** Tan

### Detailed Features
The bullpup layout puts the action behind the trigger, reducing overall length to 30 inches while maintaining the full 20-inch barrel. That combination of compact length and long barrel is the RDB's main appeal. The downward-facing extractor ejects brass below the action rather than to the side, which is practical for left-handed shooters and reduces brass scatter at the range.

The fully adjustable piston system accommodates different ammunition types and environmental conditions. Front and rear Picatinny rails allow optic mounting without iron sights getting in the way.

### Target Audience
Shooters who want a compact overall package without cutting barrel length, left-handed shooters who benefit from the downward ejection, and home defense owners who need a short rifle for maneuvering in tight spaces.

### Usage Scenarios
Home defense where the 30-inch overall length is easier to handle in hallways and rooms than a standard-configuration carbine. Range training where the compact size is practical. Varmint hunting or target shooting where the 20-inch barrel's velocity advantage over shorter carbines matters.

## Frequently Asked Questions

**Q: What caliber is the Kel-Tec RDB?**

A: The RDB is chambered in .223 Remington / 5.56 NATO.

**Q: Who makes the RDB?**

A: The RDB is made by Kel-Tec.

**Q: What type of firearm is the Kel-Tec RDB?**

A: It is a bullpup semi-automatic rifle.

**Q: What is the barrel length of the Kel-Tec RDB?**

A: The RDB has a 20-inch barrel.

**Q: How many rounds does the Kel-Tec RDB hold?**

A: It has a 20-round capacity.

**Q: Is the Kel-Tec RDB optic-ready?**

A: Yes. The RDB has front and rear Picatinny rails for optic mounting and ships with no fixed sights.

**Q: Where can I buy the Kel-Tec RDB?**

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.*

> Hand guard heated up like crazy i have never felt the gun this hot before.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=sFf-xOOcty4&t=689s)

> The recoim pulse was extreme i'm not really sure why that is but by comparison to something like the geisley super duty 10 and a half inch this has triple the recoil.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=sFf-xOOcty4&t=704s)

> Springfield hellion is significantly superior to this gun in my personal opinion and springfield is a company i like less than i like kel-tec.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=sFf-xOOcty4&t=745s)

> Recoiling pulse as far as uh ergonomics as far as overall accuracy and ease of use this gets a solid f from me.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=sFf-xOOcty4&t=809s)

## What Customers Say

*AI-generated insights from customer reviews*

The Kel-Tec RDB receives its strongest praise for compact design and the downward ejection system. Left-handed shooters are particularly vocal about the ejection design, which solves a real usability problem. The 30-inch overall length with a 20-inch barrel is a genuine specification advantage that owners highlight.

Reliability is generally good but comes up as something worth testing across ammunition types before relying on the rifle. The trigger is the most common technical criticism. Owners describe it as functional but less crisp than a traditional AR trigger, a common characteristic of bullpup platforms.

Aftermarket support is limited relative to AR-pattern rifles, which matters to owners who want extensive customization. The stock sights are absent, so an optic investment is essentially required at purchase.

Overall, the RDB appeals most to buyers who specifically want the bullpup format or the downward-ejection system, and less so to buyers who primarily want a conventional AR-pattern experience.

## Pricing

**10 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $779.99 |
| Gritrsports Com | $796.99 |
| Shootingsurplus Com | $797.23 |
| Kygunco Com | $807.95 |
| Centerfiresystems Com | $807.99 |
| Buds Gun Shop | $810.99 |
| Impactguns Com | $855.59 |
| Gunbuyer Com | $856.11 |
| Palmettostatearmory Com | $898.99 |
| Guns Com | $1160.99 |

## Similar Products

- [Kel-Tec RDB Tan: Compact Bullpup 5.56 NATO Rifle](https://gunsnation.com/p/kel-tec-rdb-tan-compact-bullpup-5-56-nato-rifle/UCBHUnmyF)
- [Kel-Tec RDB Defender 5.56mm Bullpup Rifle - Tan Tactical Edition](https://gunsnation.com/p/kel-tec-rdb-defender-5-56mm-bullpup-rifle-tan-tactical-edition/UCBHbZO5w)
- [Kel-Tec RDB Black: 5.56 NATO Bullpup, Downward Eject, Semi-Auto](https://gunsnation.com/p/kel-tec-rdb-black-5-56-nato-bullpup-downward-eject-semi-auto/UCBHUnmxr)
- [Kel-Tec RDB OD Green Tactical Bullpup Rifle 5.56mm NATO](https://gunsnation.com/p/kel-tec-rdb-od-green-tactical-bullpup-rifle-5-56mm-nato/UCBHUnmyT)
- [Kel-Tec RDB Bullpup 5.56 NATO Semi-Auto Rifle - Black](https://gunsnation.com/p/kel-tec-rdb-bullpup-5-56-nato-semi-auto-rifle-black/UCBHUnmyM)
- [Kel-Tec RDB Defender 5.56 NATO Bullpup Rifle - Tactical Black](https://gunsnation.com/p/kel-tec-rdb-defender-5-56-nato-bullpup-rifle-tactical-black/UCBHUnnWL)

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