AR-15 AR-10 Builder Kits

5. Stocks and handguards

4. Buffer tubes, Buffers, buffer springs and end plates.

3. Custom Triggers: Triggers work for both AR15 and AR10 but when it comes to AR9 or AR45 there are additional options but not required. Check out the selection here.

2. Lower Parts kit, Often has a trigger included, if you are wanting to install a custom trigger, you may want to buy a lower parts kit without the trigger. on the other had, having extra parts is always good because you will likely build another rifle in the fututre.  Most of the parts work between the AR15 and AR10 but not all of them so it is best to get one spacific to your build here:  AR15   or  AR10

1. Lower receivers: AR-15  and  AR-10,  this is the part that requires a Background to receive, It houses the trigger group  and the stock. Choose your parts here:  AR15   or  AR10

9. Accessories

8. Sights or optics

7. Muzzle breaks

6. Handguards

5. Gas block and gas tube

4. Charging Handles

3. BCG

3. Barrels

2. Upper parts kit

Choosing the Right AR Upper Receiver.

When selecting an AR upper receiver, consider the caliber you intend to shoot. Here’s a breakdown of your options:

AR-15 Upper Receivers

Popular calibers include:
• 5.56 NATO
• .223 Winchester
• 300 Blackout (300BO)
• 7.62x39

AR-10 Upper Receivers

Perfect for higher-caliber needs like:
• .308 Winchester
• 7.62x51 NATO
• 6mm Creedmoor
• 6.5 Creedmoor
•
Unique options like 6mm ARC and 7mm-08, among others based on a .308 Winchester case.
Some upper receivers may be stripped, offering flexibility for customization.

Explore Your Options
Check out our selection of high-quality AR-15 and AR-10 parts:
• AR-15 Upper Receivers
• AR-10 Lower Receivers

 To Save time, You can buy a complete asembled AR upper. Often they come with the Bolt Carrier Group (BGC) and Charging handle, but not always, so be sure to verify it before ordering. Also note the bullet data and the barrel length. Rifles must have a 16" or longer barrel. If you choose a short barrel there are pistol braces and or pistol buffer tubes. If you  intend to build a SBR ( rifle with a barrel shorter than 16" long) you need to regester the lower as and SBR before completing the rifle build. For Further information check out the NFA laws here.

AR rifle or Pistol upper options here:   AR-15  and  AR-10 

There are 2 options, you can buy each part or section, or you can buy a complete builders kit (less the Receiver) here: AR15   or  AR10 .  the second option is to build your own kit using the part selections below. The builder kits come with everything except the lower receiver. 

Parts List:

• Lower Receiver: The serialized part of the firearm (requires an FFL transfer in the U.S.).
• Lower Parts Kit (LPK): Includes the trigger, hammer, safety selector, and springs.
• Upper Receiver: Either assembled or stripped, depending on your build preference.
• Barrel: Choose the length and profile that suits your intended use.
• Bolt Carrier Group (BCG): A critical component for cycling the firearm.
• Handguard: Free-float or drop-in styles are available.
• Gas System: Includes the gas block and gas tube.
• Buffer Tube Assembly: Includes the buffer, buffer spring, and tube.
• Stock or Brace: Adjustable stocks are common for rifles; pistol braces for AR pistols.
• Muzzle Device: Flash suppressor or compensator, depending on your needs.

Tools and Materials You’ll Need

Before starting your build, gather the necessary tools and parts to streamline the process. Here’s a checklist:
Essential Tools:
1. AR-15 Armorers Wrench
2. Torque Wrench
3. Upper Receiver Vice Block or Fixture
4. Roll Pin Punch Set
5. Rubber Mallet or Hammer
6. Small Needle Nose Pliers
7. Hex Keys or Allen Wrenches
8. Screwdrivers (Flathead and Phillips)
9. Safety Glasses

How to Assemble an AR-15 Rifle Safely: A Step-by-Step Guide Building an AR-15 rifle has become a popular project for gun enthusiasts, and for good reason—it’s cost-effective, educational, and allows for customization to meet individual preferences. With the right tools, quality parts, and a bit of patience, you can successfully assemble your own AR-15 rifle or pistol. This guide will walk you through the process step by step to ensure a safe and enjoyable experience. While assembling an AR-15 is straightforward for most, understanding how each component works together is crucial for safety and performance. Let’s dive into the essentials.

This section is under development. There are going to be some errors, we are workign on them.