# MPA Defender 9mm: High-Capacity Semi-Auto with Adjustable Sights

**Brand:** MasterPiece Arms
**Category:** Full Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 5.5"
- **Capacity:** 30 rounds
- **Finish:** Black
- **Weight:** 55 oz
- **Overall Length:** 11.25"
- **UPC:** 804879268574
- **SKU:** UCEAYpNug

## Description

The MasterPiece Arms Defender is a blowback-operated semi-automatic 9mm Luger pistol with a 5.5-inch barrel and a 30+1 capacity. At 55 oz (3.4 lbs) and 11.25 inches overall, it's on the larger and heavier end compared to typical carry pistols. This is a range and training platform, not a concealable handgun. The black aluminum grip and black Cerakote receiver finish are durable under regular use.

### Key Specifications
- **Brand:** MasterPiece Arms
- **Model:** Defender
- **Caliber:** 9mm Luger (9x19 Para)
- **Action:** Semi-Automatic, Blowback
- **Capacity:** 30+1 rounds
- **Barrel Length:** 5.5 inches
- **Overall Length:** 11.25 inches
- **Weight:** 55 oz (3.4 lbs)
- **Sights:** Adjustable 
- **Grip Material:** Black Aluminum 
- **Safety Type:** Lever Safety 
- **Receiver Finish:** Black Cerakote 
- **Condition:** New in Box

### Detailed Features
The blowback action handles standard 9mm loads cleanly. The adjustable sights let you tune point of impact rather than relying on fixed irons. The lever safety is positive and easy to reach. The Cerakote finish on the receiver resists corrosion and hard use. The 30-round magazine means fewer reloads during longer range sessions.

### Usage
This is well suited to range training and high-volume plinking where the 30-round capacity makes sessions more efficient. The blowback design keeps the operating system simple. It's also used in some competitive shooting applications where its accuracy at the 5.5-inch barrel length shows.

## Frequently Asked Questions

**Q: What caliber is the MPA Defender?**

A: The MPA Defender is chambered in 9mm Luger.

**Q: What is the barrel length of the MPA Defender?**

A: It has a 5.5-inch barrel.

**Q: How many rounds does the MPA Defender hold?**

A: It has a 30+1 capacity.

**Q: Who makes the MPA Defender?**

A: The MPA Defender is made by MasterPiece Arms.

**Q: What type of firearm is the MPA Defender?**

A: It is a blowback-operated semi-automatic pistol in the full-size category.

**Q: Does the MPA Defender have a threaded barrel?**

A: Yes, the MPA Defender is available with a threaded barrel, as noted across multiple product listings.

**Q: Where can I buy the MPA Defender?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the MPA Defender 9mm generally find it a capable range pistol at a reasonable price. The 30-round capacity and adjustable sights get the most consistent praise. They're genuinely useful for both training and competition use. Build quality is viewed favorably overall, though some describe the size and weight as feeling bulky if you're used to compact handguns.

Reliability is generally good but with a noted break-in period. Some users report feeding issues early on that clear up after a few hundred rounds. The MPA owner community is active and helpful for tips on break-in and maintenance. Recoil is described as manageable for rapid fire given the weight. For a purpose-built range and competition pistol it delivers what it promises, with the understanding that it's not a carry option.

## Pricing

**5 offers available**

| Vendor | Price |
|--------|-------|
| Ar 15 Discounts Com | $399.00 |
| Palmettostatearmory Com | $399.99 |
| Dirtybirdusa Com | $429.00 |
| Grabagun Com | $499.99 |
| Guns Com | $615.99 |

## Similar Products

- [MasterPiece Arms 30SST Defender 9mm Semi-Auto Pistol, 31-Round Capacity](https://gunsnation.com/p/masterpiece-arms-30sst-defender-9mm-semi-auto-pistol-31-round-capacity/UCEAYpNun)
- [MPA Defender TB: 9mm Semi-Auto Pistol, 17+1 Rd, Adj Sights](https://gunsnation.com/p/mpa-defender-tb-9mm-semi-auto-pistol-17-1-rd-adj-sights/UCFG9ZEVM)
- [MasterPiece Arms Defender 9mm Semi-Auto Pistol, 30+1 Rounds](https://gunsnation.com/p/masterpiece-arms-defender-9mm-semi-auto-pistol-30-1-rounds/UCBNc99Lu)
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- [MPA Defender 5.7 Compact Pistol - 20+1 Rounds, Threaded Barrel](https://gunsnation.com/p/mpa-defender-5-7-compact-pistol-20-1-rounds-threaded-barrel/UCDoVKVtG)
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*Data from [GunsNation](https://gunsnation.com)*