Eleanor M. Ernharth, age 81 of West Deptford/Gloucester City; GCHS Class of '59, former Cafeteria Cook
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A Guide to Choose the Best AR-15 Lower Receivers

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Which lower receiver should I buy? Almost every day, people ask about this topic on firearms forums. However, this question is best answered by your style, requirements, and usage. The good news is that 80percentarms.com has an 80 lower receiver to build your very own firearm with a wide variety in style, brands, types, and other features. If you are a first-time buyer and don't know the best AR-15 lower receivers, then the following discussion will help you immensely.

Focus on Quality

Unfortunately, many companies do not issue a warranty for lower receivers. In the marketplace, many companies save money by offering cheaper products. However, their quality is not good enough, and batch testing is standard for some cheap parts. This is why experts recommend checking the quality rather than asking for a warranty of a lower receiver. You can judge the quality by looking at the material, seeing the measurements, and looking for drilling holes. If it comes with a user manual, it's also an indication of the manufacturer's quality. 

Functions and Failure Points

When buying a lower receiver, remember that the fire control group must be at the bottom of the receiver. In addition, fire control group pockets that are not machined to acceptable widths are common in batch-tested brands. It prevents the hammer from rotating and prevents the stimulus from moving freely. Therefore, always confirm before buying that the trigger and hammer slots are excellently measured and polished, so there are no significant difficulties in machining them when attaching the subsequent parts. 

AR-15 Lower Receiver and Connections

Remember when buying the best AR-15 lower receiver that the lower should be paired with a higher receiver and receiver extension. Two pins are used to connect the top receivers. If the pin holes are not drilled properly or evenly, it may be challenging to keep the receivers attached. The receiver extension, which is connected to the back of the lower receiver, contains the safety detent and spring as well as the buffer retention spring. 

Although buffer retention and spring are not part of the operating cycle, they might be difficult to remove if the holes where they reside are not correctly drilled. In addition, incorrect placement might make attaching the receiver extension problematic since it requires too little or too much threading. As a result, it will directly affect the effectiveness of the buffer system.

AR lower receivers are widely available and are essential for making custom rifles.

When purchasing AR-15 lower receivers, remember to review the material, method of production, and manufacturer's reputation. Once you talk to the manufacturer, you can see if your local gun store offers what you are looking for to save money on shipping. Overall, judging the quality of a lower receiver depends a lot on you. Consider the above factors when buying a lower receiver and use proper equipment to build a perfectly working gun that mimics your style and fulfills all your requirements. 

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