The,Basic,Fundamentals,AR-15,L DIY The Basic Fundamentals of AR-15 Lower Receivers
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To understand a little more about this gun component, here are a few fundamental basics you should know:What Is the AR-15 Lower Receiver?Unlike other parts of the weapon, the lower receiver is more than just a stand-alone component. In fact, this is the only section of the gun considered to be a firearm and, due to this, requires a serial number to be printed into the metal. This one section is the single piece every other aspect of the weapon revolves around. In most situations, lower receivers are universal (within a weapon type), allowing the components used in or on them to be interchangeable from one AR-15 build to another. The different parts of the lower receiver include buffer tubes, selectors, pistol grips, and stocks.In What Ways Can You Purchase a Lower Receiver?Often, a lower receiver is purchased with the upper receiver as a complete rifle. However, this is not the only method for buying this section of the gun. Many gun enthusiasts are looking for specific customization features, and, with everything revolving around this one section of the rifle, it is essential you understand every purchasing option for AR-15 lower receivers, especially if you’re hoping to personalize your sport firearm. Selections available for purchase include:• 80 percent lowers (typically purchased by advanced gun enthusiasts who like to build their weapons from the bottom up)• Full lowers with all the lower pieces included• Complete rifles• Stripped lowers, which include only the most basic piecesWhat Type of Materials Do They Use to Construct Lowers?One of the most critical aspects of the lower receiver is the construction materials used in the design. Most lowers are built from various grades of aluminum. Manufacturers choose this material because it is rust-resistant, relatively durable, very malleable in production, and lightweight. Plus, if aluminum becomes damaged, it is very simple to replace.In addition to material, however, you also need to consider how the manufacturer creates the lower receiver. Manufacturers generally build lowers using one of three methods:• Cast: A cast lower receiver is made from a mold using molten aluminum. After it solidifies, they remove the lower from the mold. While this method is expedient, it also creates a loose crystalline structure inside of the aluminum. While it is strong enough to be functional for sure, it is not the most effective method available for creating firearms of longevity.• Milled: To make a milled lower receiver, manufacturers use a solid block of aluminum (also known as bar stock). While gunmakers mill most lower receivers at some point of their construction, they only process some from billets of aluminum. The strength of the bar stock will determine how reliable the final product will be. In most situations, a milled lower is stronger than a cast lower.• Forged: If you are looking for the most reliable construction, then look no further than forged lowers. This construction method shapes the aluminum under pressure, hammering billets into molds. Then it is milled, creating a compression of the crystalline structure of aluminum that is long lasting and strong.For more information on AR-15 lower receivers, call 22Mods4All at (561) 926-5888. Their helpful gun enthusiasts can answer any questions, provide tips, or address any concerns you may have with building your new, satisfying firearm. Article Tags: Ar-15 Lower Receivers, Ar-15 Lower, Lower Receivers, Lower Receiver
The,Basic,Fundamentals,AR-15,L