Dirty Bird Patriot: The 7.5-Inch AR Pistol Inspired by a Gaming Classic

There are AR builds designed to solve a problem, and then there are AR builds that exist because someone finally decided to turn a great idea into a real gun.

The Dirty Bird Patriot is definitely the latter.

Built around a 7.5-inch 5.56 NATO barrel, the Patriot takes inspiration from an unmistakable fictional firearm that became an icon among a generation of video game players. The formula is simple: an extremely short barrel, no traditional stock, tubular handguard, old-school AR styling and a massive drum hanging underneath.

Dirty Bird took those ingredients and built a real AR pistol around them.

It’s compact. It’s unconventional. It’s built primarily to be fun.

And a 100-round drum comes with it…along with an Atrius Forced Reset Selector

Bringing a Video Game Favorite to the Range

Anyone familiar with the Patriot’s inspiration will probably recognize it before reading the product description.

The fictional original was built around an exaggerated version of a short 5.56 carbine. It featured an extremely short barrel, no conventional stock, a round handguard, carry-handle-style upper and a huge drum magazine.

The design wasn’t memorable because it represented the ideal fighting rifle. It was memorable because there wasn’t much else that looked like it.

Over the years, AR builders have created their own interpretations of the concept. The Dirty Bird Patriot takes a different approach by offering the idea as a complete AR pistol rather than requiring shooters to track down individual components and assemble their own version.

Inside the Dirty Bird Patriot

The Patriot starts with a 7.5-inch barrel chambered in 5.56 NATO and a pistol-length gas system.

Instead of adding a conventional stock or pistol brace, the rear of the gun is kept simple with a pistol buffer tube. That’s a major part of achieving the distinctive profile Dirty Bird was after.

Up front, the tubular handguard continues the retro theme. Modern AR handguards tend to be covered with M-LOK slots and accessory mounting positions, but that’s not what this gun is trying to be.

The Patriot also uses an A1-style upper receiver, A2-style forward assist and A1-style pistol grip to complete the old-school appearance.

Then comes the part that’s impossible to overlook: the 100-round drum.

It’s included with the Patriot and is arguably just as important to the overall appearance as the short barrel and tubular handguard. This is one AR pistol where swapping in a standard 30-round magazine changes the personality of the entire build.

Managing a Very Short 5.56

Seven and a half inches is extremely short for a 5.56 NATO AR.

That means the Patriot is going to produce the blast and report you’d expect from an ultra-short 5.56 platform. Dirty Bird paired the pistol-length gas system with an H3 buffer, adding mass to the reciprocating system.

An Unrivaled A2-style muzzle brake is installed at the other end.

The combination helps make the Patriot more manageable while maintaining the compact proportions that define the build.

There’s also another component that separates the Patriot from the average retro-inspired AR.

Atrius Forced Reset Selector

The Dirty Bird Patriot comes equipped with an Atrius forced reset selector.

Instead of the two positions found on a conventional SAFE/FIRE AR selector, the Atrius provides three positions. The third provides a forced-reset function while maintaining semiautomatic operation.

As the firearm cycles, the system mechanically assists in pushing the trigger forward into reset. The shooter still performs a separate trigger function for each shot, but the assisted reset makes significantly faster follow-up shots possible.

Unlike forced reset systems that replace the complete fire-control group, the Atrius incorporates the forced-reset mechanism into the selector system while retaining a compatible mil-spec trigger.

The Atrius system is manufactured from heat-treated 4140 steel and uses a 90-degree selector throw.

Because the system interacts with other components inside the AR, compatibility is important. Receiver geometry, trigger configuration and bolt carrier profile all need to work correctly with the system.

With the Patriot, those components have already been assembled as part of the complete pistol.

More Than a Retro AR

The Patriot isn’t simply an old-school AR with a short barrel.

Dirty Bird deliberately combined retro visual cues with components that make the finished pistol considerably more interesting.

The A1-inspired furniture and receiver, tubular handguard and bare pistol buffer tube establish the look. The 7.5-inch barrel gives it the proportions. The 100-round drum makes the inspiration difficult to miss.

Then the H3 buffer, muzzle brake and Atrius forced reset selector bring modern elements into the equation.

The end result doesn’t fit neatly into the usual categories of defensive, competition or general-purpose ARs.

It isn’t supposed to.

Dirty Bird Patriot Specifications

The Dirty Bird Patriot features:

• 5.56 NATO chambering
• 7.5-inch barrel
• Pistol-length gas system
• Tubular handguard
• A1-style upper receiver
• A2-style forward assist
• A1-style pistol grip
• Pistol buffer tube
• H3 buffer
• Unrivaled A2-style muzzle brake
• Atrius forced reset selector
• 100-round drum magazine
• Black finish
• Semi-automatic operation

The Patriot is configured and sold as an AR pistol.

Sometimes a Gun Can Just Be Fun

The AR-15 market has no shortage of practical firearms.

That’s not really the reason the Patriot exists.

This is a pistol for someone who remembers seeing that distinctive fictional gun for the first time and wondered what it would be like if somebody actually built one.

Now somebody has.

For those who still occasionally fancy themselves a Big Boss or Snake Eater, the connection makes the Patriot even better. Everyone else can appreciate it for what it is: an unapologetically unusual 7.5-inch 5.56 AR pistol with retro styling, a 100-round drum and an Atrius forced reset selector.

As with any firearm or forced-reset device, buyers are responsible for confirming that possession, transfer and use are lawful in their jurisdiction. Federal, state and local requirements can differ and can change over time.