# Angstadt Arms UDP-300 .300 AAC Blackout 16in Black

**Brand:** Angstadt Arms
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 16"
- **UPC:** 850035894088
- **SKU:** UCExqpz2G

## Description

The Angstadt Arms UDP-300 is a semi-automatic rifle built on the AR-15 platform and chambered in .300 AAC Blackout. It ships with a 16-inch barrel and a 30-round magazine, and the upper is wrapped in a billet M-LOK handguard that gives a clean, uninterrupted mounting surface. The lower uses a polymer stock finished in black, keeping the overall package light for a .300 Blackout carbine build.

### Key Specifications
- **Brand:** Angstadt Arms
- **Model:** UDP-300
- **Caliber:** .300 AAC Blackout
- **Action:** Semi Auto
- **Barrel Length:** 16 inches
- **Capacity:** 30 rounds
- **Stock:** Polymer, black

### Detailed Features
- 16-inch .300 AAC Blackout barrel sized for a compact, balanced AR-15 carbine
- Billet M-LOK handguard runs the length of the upper for lights, grips, and optics mounts
- Manual AR-style safety selector for familiar, single-hand operation
- Ships with a 30-round polymer magazine for extended range sessions
- Black polymer stock and synthetic furniture hold weight down without adding cost

## Frequently Asked Questions

**Q: What caliber is the Angstadt Arms UDP-300?**

A: It is chambered in .300 AAC Blackout.

**Q: What is the barrel length of the UDP-300?**

A: The UDP-300 has a 16-inch barrel.

**Q: How many rounds does the UDP-300 hold?**

A: It ships with a 30-round polymer magazine.

**Q: Who makes the UDP-300?**

A: It is made by Angstadt Arms.

**Q: What type of firearm is the UDP-300?**

A: The UDP-300 is a semi-automatic AR-15 platform rifle with a billet M-LOK handguard and a black polymer stock.

**Q: Where can I buy the UDP-300?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of AR-15 style .300 AAC Blackout carbines like the UDP-300 tend to focus on reliable cycling and fit and finish out of the box. Angstadt Arms has a reputation among AR builders for tight tolerances, and buyers of this rifle generally expect that same attention to carry over from the company's pistol lineup.

Handling draws mixed but mostly positive comments. The 16-inch barrel and billet M-LOK handguard keep the rifle balanced for both close range and short to mid-range shooting, and the polymer stock keeps the weight manageable. Some shooters note that .300 Blackout ammunition choice matters more than usual, since subsonic loads behave differently than supersonic loads out of a 16-inch barrel.

On value, buyers weigh this against other AR-pattern .300 Blackout carbines on the market. The AR-15 platform means magazines, optics, and aftermarket parts are widely available, which owners consistently call a strong point regardless of which specific brand they choose.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $1288.99 |

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