- MIL SPEC VS COMMERCIAL SPEC A2 CARRY HANDLE SERIAL NUMBER
- MIL SPEC VS COMMERCIAL SPEC A2 CARRY HANDLE FULL
To achieve the optimal velocity with the minimum legal barrel length, we recommend sticking with a 16" barrel. We'll assume you're building a traditional AR-15 chambered in 5.56/.223. Chrome-lining can diminish barrel accuracy slightly but it greatly increases barrel performance, especially with rapid-fire.īarrel length is a tricky subject. Melonite is an alternative to chrome-lining and it generally provides better accuracy. Some barrels have their rifling lined with chrome to increase barrel life and to help protect against heat. With regular cleaning, a stainless barrel will last just as long (if not out-last) a CMV or Melonite-treated barrel. Stainless barrels have no finish, but they naturally resist rust and corrosion. These coatings create a matte black finish over the barrel and rifling, protecting it from rust and corrosion. Most barrels come with a Melonite or anodized coating. 4140 Chromoly barrels perform admirably for most shooters, and they'll save you some cash. 416R stainless barrels are considered the most accurate. These barrels most closely match the "mil-spec" requirements of the barrels found in service-issued military rifles. The most popular and common barrel choice is 4150 CMV. Most AR-15 barrels are made from three types of gun steel: 4140 Chromoly, 4150 Chromoly Vanadium (CMV), or 416R stainless steel.
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MIL SPEC VS COMMERCIAL SPEC A2 CARRY HANDLE FULL
You need to consider material (type of steel), finish (the type of coating or treatment), lining (chrome-lined or not), length (which handles velocity), and twist rate (determines what type of rounds you're going to shoot).įor a full guide on AR-15 barrels, click here. The barrel determines how accurate your gun is, how far you can shoot, and what rounds you're shooting. The barrel is arguably the most important part of your AR build. No FFL or paperwork is required for any of this stuff. None of these parts are considered firearms, so if you're confident in your choice, you can order your parts and have 'em shipped to your house. They play an important role in shaping how your AR-15 looks and feels. Let's go over all the upper receiver parts you'll need first. To make it easy, you can grab one with everything assembled and configured correctly. Like those included with our own build kits, ship preassembled and ready to fire. You'll need to do some assembly and fitting with parts on the lower receiver, but let's break down all the parts contained in each half, first: The AR-15, regardless of configuration or caliber, can be separated into two major components: The upper receiver assembly, and the lower receiver assembly. We'll even get the guy who wrote this guide to help you out, if needed. If you have more questions about building before getting started, You can use one to build your AR-15 at home, and it's what we specialize in.įor a complete guide and FAQ on 80% lowers, click here. Again, check your local and state laws on this one.Ī: An 80% lower receiver is a firearm blank.
MIL SPEC VS COMMERCIAL SPEC A2 CARRY HANDLE SERIAL NUMBER
The ATF doesn't require a serial number for homemade firearms made for personal use, but some states do. 80% lowers do not need a serial number under federal law.
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If you buy a stripped lower receiver, it'll have a serial number for paperwork and your background check. Check your local and state laws before building.įor a quick guide on building your AR-15 in California, click here.Ī: That also depends. If you're building your rifle or pistol using an 80% lower receiver, you don't need to any of that in most states. If you build your AR-15 using a stripped lower receiver, you'll need to go through an FFL, fill out some paperwork, and conduct a background check. We don't need to worry about that right now, we're building a regular rifle.Ī: That depends. You need special paperwork to build a short-barreled rifle (SBR), which is considered an NFA item. It's 100% legal to build your own AR-15 (and most guns) at home for personal use. Q: Is it legal to build my own AR-15 at home?Ī: Yes, with some restrictions. Let's begin! You probably have questions, so we answered the most common ones: Lastly, we'll go over the different types of ARs and calibers you can build (a rifle, pistol, or a short-barreled rifle/SBR). Next, we'll explain every part you need to build your own AR-15 kit, including which parts are best for a well-rounded, affordable rifle. First, we'll look at the relevant gun laws and answer some questions you probably have. That's the gold standard for nearly all rifles (the beauty is, you can customize later). We're going to teach you everything you need to know! The rifle we're piecing together in this guide is a typical AR-15 with a 16" barrel, chambered in 5.56/.223. We've got a lot to cover, so we'll keep this short: You want to build an AR-15 from scratch.