A stripped lower receiver is the part of an AR-15 rifle that houses the trigger group and magazine well. It is made from aluminum and has a series of holes and slots that allow for the installation of the trigger, hammer, springs, and other small parts. The term “stripped” simply refers to the fact that this type of receiver does not come with any of these parts installed.
Many gun enthusiasts enjoy building their rifles from scratch, and a stripped lower receiver is essential for doing so. This type of receiver can also be a great option for those who want to upgrade or replace specific parts of their existing rifle. Whatever your reason for purchasing a stripped lower receiver, it’s important to understand how this particular firearm component works.
As its name implies, a stripped lower receiver has had all of its external parts and components removed, leaving only the “bare bones” of the Receiver. This includes removal of the stock, pistol grip, take-down pins, magazine release button, associated springs, and trigger guard assembly, and commonly referred to as “trash” or cosmetic grime on the exterior surface.
Many AR-15 owners choose to purchase a Stripped Lower Receiver rather than a complete Rifle to build their Rifle from the ground up or to replace an old, worn-out Receiver on an existing Rifle.
The lower receiver is what houses the firearm’s pivotal internals, such as the trigger group, magazine well, and bolt carrier group. As the “Lower” half of the Receiver, it also provides a stable attachment point for the Upper Receiver and Barrel.
Stripped lower receivers are also classified as firearm frames or receivers in many jurisdictions and therefore require individual purchase via an ATF Form 4473 from a Federal Firearms Licensed (FFL) dealer. Be sure to check your local laws before ordering a Stripped Lower Receiver! Usually, these laws revolve around whether building a rifle or pistol and founding member (US Citizen/Lawful Alien) status.
A stripped lower receiver is the lower portion of an AR-15 rifle that has been removed from the rest of the gun. The lower receiver includes the magazine well, trigger guard, and fire control group. It does not include the stock, upper receiver, or barrel.
Stripped lower receivers can be purchased from gun stores or online retailers. They are commonly used by gunsmiths and home builders to create custom rifles. lowered receivers can also be used to save money when purchasing a complete AR-15 rifle, as they are usually cheaper than complete rifles.
Building a rifle from a stripped lower receiver is a project that requires some knowledge of firearms and may be beyond the skill level of some hobbyists. it is important to consult with a qualified gunsmith or firearms expert before undertaking this project.
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The key distinguishing marks of a stripped lower receiver are the magazine well and fire control group (FCG). The fire control group includes the trigger, hammer, and selector Lever. The magazine well is where you insert your AR-15’s detachable magazine. Changes to any of these three aspects will affect how your AR-15 functions. For example, installing an aftermarket trigger in your stripped lower receiver can result in a lighter, smoother trigger pull.
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