AR-15 pistol build

A Step-by-Step Guide to an AR-15 Pistol Build

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Approximately 70% of gun owners in America own a handgun or pistol. And probably all of them will agree that nothing beats shooting an incredible AR pistol. Except one that you build yourself. 

If you’re interested in building an AR-15 pistol, then you’ve come to the right place. 

Keep reading this guide to an AR-15 pistol build to learn everything you need to know. 

How to Build an AR-15 Pistol

The first thing you should know is that the AR-15 is made up of two halves – the upper receiver and the lower receiver.

Upper Receiver Assembly

This includes a few things:

  • Barrel and chamber
  • Stripped upper receiver
  • Handguard
  • Charging handle
  • Gas system
  • Front sight post
  • Bolt carrier group

Two substantial “takedown” pins connect the upper assembly to the bottom assembly.

Lower Receiver Assembly

This includes: 

  • Pistol grip
  • Buttstock (rifle) or brace (pistol)
  • Buffer tube
  • Trigger, hammer, and safety (lower parts kit)
  • Recoil spring 
  • Latch plate
  • Castle nut
  • Stripped lower receiver
  • Buffer

Building The Lower Assembly

You’ll need everything listed above to put together an entire lower assembly that is ready to work.

1. The Stripped Lower Receiver

The only part of the AR platform that the law recognizes as a firearm is the stripped lower. The upper receiver and all other components of the AR-15 are not regarded as weapons.

These components can be purchased and sold in stores or online just like any other non-firearm component or accessory.

When choosing a lower for your build, you have two choices to consider – the stripped lower receiver and the 80% lower receiver.

2. Lower Parts Kit

Semiautomatic firing is made possible by the lower parts kit (LPK), which regulates the hammer’s operation through the trigger’s sear and disconnector. The safety lever also gives the shooter the option of choosing “SAFE” or “FIRE.” 

The lower receiver’s magazine is held in place by it and is released as necessary. In the top receiver, there is a catch-and-release device for the bolt.

3. Buffer Assembly

The recoil spring, weighted buffer, receiver extension (buffer tube), buttstock or pistol brace, latch plate, and the castle nut used to secure the tube to the lower receiver make up the buffer assembly.

Receiver Extension (Buffer Tube)

The recoil spring and buffer are housed in the receiver extension (also known as a buffer tube). The recoil spring is compressed through the buffer when the bolt carrier group of the AR-15 is thrust backward during firing. 

Once squeezed, the spring and buffer push the bolt forward, allowing another round to be chambered.

Recoil Spring

For the AR platform, recoil springs come in two different varieties. One is often found on vintage M16s and is much longer and made for the fixed A2-type stock.

Most people opt for the typical carbine spring, though, which is found on almost all AR-15s. 

Buffer

The buffer is in charge of absorbing the recoil and blunt force generated by the BCG’s backward movement. 

The pointed end of the buffer with the rubber cover rests inside the recoil spring, while the flat face of the buffer rests on the back of the BCG. If the buffer tube bottoms out due to heavy recoil, the rubber end helps prevent damage.

Castle Nut & Latch Plate

The latch plate stops the extension/tube from moving in the threads while the castle nut secures it to the back of the lower receiver. The tiny “nib” on the latch plate’s inner ring engages with the channel made underneath the buffer tube to lock it in place. 

The plate is held in place by a circular protrusion on its bottom that lies inside an indentation on the back of the receiver.

Buttstock

The buttstock offers comfort and recoil management and enables you to have a clear sight image. Fixed or adjustable stocks are the two configurations that the AR-15 typically uses, with the latter being more prevalent. 

Pistol Brace

A compact, pistol-style AR with a barrel shorter than 16″ is preferred by some. Any firearm with a buttstock is typically required to have a barrel that is 16″ or longer. 

Any rifle built with a barrel shorter than 16″ qualifies as a short-barreled rifle (SBR), a type of NFA weapon.

Building The Upper Assembly

The “business end” of things is the upper receiver assembly for the AR. It is the point where the firing pin connects with the primer after the bolt has chambered a cartridge, causing live shots to escape the barrel. 

The upper receiver is made up of interconnected systems of diverse pieces, just like the lower receiver.

1. The Gas System

This is a direct-impingement system, meaning that the gas is discharged by the cartridge and moves down the barrel, behind the bullet. 

Gas is redirected into the upper receiver through the gas block and gas tube by a tiny hole in the barrel. The bolt carrier group is pushed back into the buffer tube by the force of this diverted gas.

As the bolt cycles as a result of the spent casing being ejected, it also draws a fresh round from the magazine and chambers it before slamming back into the battery.

2. The Upper Receiver

The barrel and barrel extension (firing chamber) must be held in place by the stripped upper receiver for live rounds to be loaded and ignited.

It houses the bolt carrier group (BCG) and charging handle, placing the bolt such that when the trigger is squeezed, the hammer will release and strike the firing pin.

The upper has a straightforward mechanical design. It includes a front assist and frequently a dust cover. Both of these features are optional and not necessary for the AR to work. 

The most popular way to mount rear iron sights with an optic is on the receiver’s Picatinny rail.

3. The Bolt Carrier Group

The stripped upper receiver contains the BCG. Live rounds are ignited by the BCG using the hammer and firing pin. One of the most crucial components of the AR-15 is the BCG.

4. The Handguard

The handguard on the AR-15 serves two purposes: to shield the gas block and tube from harm and to shield your hand from the heat produced by the firing barrel. Both two-piece handguards and one-piece handguards made of aluminum are available.

5. The Barrel

This is in charge of firing the projectiles downrange. Any AR-15 chambered in 5.56 NATO or.223 Remington will typically have the barrel shown above: It has a 1:7 twist rate, a length of 16″, and is constructed of 4150 Chromoly Vanadium steel. It has a Melonite finish and a carbine-length gas port that is drilled into it.

It’s Time For That AR-15 Pistol Build

While building an AR-15 pistol can be easy, it’s always best to follow a guide. With this AR-15 pistol build guide, you’ll have everything you need to know about building your own handgun! 

For more information about guns and ammo, check out our blog!

types of rifles

What Are the Most Popular Types of Rifles?

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Around 40% percent of Americans own guns. More and more Americans have bought guns over the course of the pandemic. It’s no wonder why: guns are the most reliable way to protect yourself from unrest in an unsure world. 

But how many Americans are aware of the types of firearms they purchase? There are many different types of firearms: handguns, shotguns, and more — but perhaps the most popular and effective for home defense is the rifle.

You probably know that rifle is a gun with a long barrel, designed for power and accuracy over long ranges. But do you know the types of riffles? 

If not, you’re in luck. This article will walk you through all you need to know about the different types of rifles and how you can use them to hunt and protect your family in an unsure world. 

Action

Before we get into the different types of rifles, you must understand what action is in gun terminology. Action is the key defining feature of different types of riffles. 

Action, in gun terms, is the part of a gun that loads, fires, and ejects a cartridge. It’s essentially the part with the most moving parts. 

The barrel is part of the action. The action can also include the fire control group, the receiver, safety, extractor, ejector, and dust cover, but not every gun has all of these parts. 

Now that you understand what an action is, let’s get into the different types of rifles. 

Bolt-Action Rifles 

A bolt-action rifle is one of the easiest types of rifles to understand. A simple, small metal handle sticks out of the right side of the weapon — known as the bolt. By pulling the bolt upward, backward, and forward, you eject a cartridge, load a new round, and close the chamber for firing. 

Bolt-action rifles are fantastic for accuracy and ease of use. This makes them extremely popular hunting rifles. They’re also preferred by snipers and marksman, with many US military rifles based on old-school bolt-action rifles. 

But perhaps the biggest advantage of a bolt-action rifle is its durability. It’s hard to beat simplicity — and the simple style of bolt-action rifles means they rarely malfunction. 

The only problem with them is that they’re a bit hard for newbies. The trigger hand has to leave the trigger to move the bolt, so a shooter will need to regrip their trigger hand and re-aim. 

Lever-Action Rifles 

You’re probably used to seeing lever-action rifles in old cowboy movies. This is accurate since they’re one of the first designs ever used for rifles. Winchester is the most legendary manufacturer of lever-action rifles. 

The “lever” in question is a loop-shaped handle underneath the trigger, which rotates away from the rifle, ejecting cartridges from the chamber. Reversing that action locks your next cartridge in. 

The major advantage of lever-action rifles is the classic aesthetic. With them, you also get the advantage of learning the legendary “spin-cock”. The major disadvantage is that some people consider them outdated, expensive, and a bit inaccurate. 

Semi-Automatic Rifles 

Semi-automatic rifles are one of the newest designs of rifles around. A semi-rifle only needs to have its action set once. After that, the gun’s action discharges rounds on its own after every release of the trigger. 

Because of this main feature, many semi-automatic rifles fire quicker than other kinds of rifles. This makes them efficient hunting rifles, and also a common design for assault rifles. 

Because of their quickness, semi-automatics are often considered the best design for home defense. While rifles are built for long-range usage, the ability to shoot many rounds without having to manually chamber new rounds makes it useful for close-quarters combat in worst-case scenarios. 

The main disadvantage of semi-automatic rifles is reliability. Because they use a more complicated mechanism, they’re more likely to suffer from jams and failures. Their complication also makes them tough to fix yourself. 

The quickness of firing comes in handy when necessary. But firing quickly increased your chances of rifle failure. 

Pump-Action Rifles 

The pump-action is most associated with shotguns. (Speaking of which, check out the different types of shotguns for more information.) However, many rifles are also made with a pump-action design. 

The pump-action design consists of a slide mechanism around the barrel that is “pumped” to eject the old cartridge and lock the new one into place. This is a great advantage for the pump-action rifles because the pumping isn’t done by the trigger hand. This makes them more efficient than bolt-action rifles.

This efficiency makes pump-actions popular for hunting. 

A major disadvantage of pump-action rifles is that they are considered slow to load (cartridges must be inserted individually, which can be difficult and slow for newbies). However, the tubes of pump-action rifles can usually hold many rounds, which can come in handy. 

Break-Action Rifles

The break-action rifle is a very back-to-basics gun. They’re single-shot guns, so you’re only going to get one shot out of the time before you need to reload. You “break” the action open like a hinge, and load the new round in. 

The major advantage of break-action rifles is that the extreme simplicity of them makes them easy to maintain. It’s also almost impossible to fire these guns through a cartridge-loading mishap since the gun practically comes in half every time you load a cartridge.

Know The Types of Rifles 

These tough times may have convinced you to go out and purchase yourself a rifle. However, it’s important to know the types of rifles before you go out and make an investment. 

Decide whether you’re looking for something for marksmanship, hunting, or home defense. Then weigh the advantages of bolt-action rifles, lever-action rifles, semi-automatic rifles, pump-action rifles, and break-action rifles. 

For more information, contact us today.