The Screw Size For Polymer 80 Frames

The size of the screw on a Polymer80 depends on the model. For the full-size G17/G22 Polymer80, a mill is used for the rails and to mill down the top of the frame. The compact G19/G23 version, on the other hand, uses a Dremel as the rails are now drop-in. The bits used for the G19/G23 are metric 3mm and metric 4mm, or M3 and M4.

The screw size for a Polymer80 is M3 and M4

When working with Polymer80 frames, it is essential to have the correct tools and bits to ensure a precise and accurate build. While some people may choose to use the provided bits, others have reported issues with warped bits that required replacement. High-quality M3 and M4 bits can be purchased separately to ensure a straight and accurate drilling experience.

It is worth noting that some users have reported success with using fractional sizes such as 5/32 and 7/64 instead of the metric measurements. However, it is always recommended to follow the manufacturer's instructions and use the specified screw sizes whenever possible. Using the correct tools and bits can help ensure a successful build without damaging the frame or compromising its function.

Additionally, it is crucial to exercise caution and follow safety guidelines when working with Polymer80 frames or any other firearm-related projects. Proper safety equipment, such as eye protection and gloves, should be worn to protect against any potential hazards. It is also important to be aware of the local laws and regulations regarding firearm ownership and construction to ensure compliance.

In summary, the screw size for a Polymer80 is M3 and M4, corresponding to metric measurements of 3mm and 4mm, respectively. Using high-quality bits of the correct size is essential to achieving a secure and accurate build. Following manufacturer instructions and safety guidelines will help ensure a successful and safe experience when working with Polymer80 frames.

Replacement screws are available for Polymer80

If you are looking for replacement screws, you can find them on websites such as Amazon, 80-lower.com, and ReplacementScrews.com. These websites offer a wide range of screws in different sizes, materials, and colours.

When choosing replacement screws, it is important to consider the size, length, diameter, and thread pitch. For example, 4mm screws typically have a standard thread pitch of 0.70mm, while 5mm screws have a common pitch of 0.80mm. You can also use a screw thread sizer to find the correct pitch.

Additionally, you can purchase screws with specific features, such as hex socket heads, flat heads, or Phillips heads. Some screws are also designed for specific applications, such as furniture, TVs, or computers. It is always a good idea to have a variety of screws on hand for different projects.

A 1/16-sized hex key is required for Polymer80 set screws

The Polymer80 platform is a popular choice for firearms enthusiasts, particularly those who enjoy the process of building and customising their own weapons. By offering the option to start with a partially complete frame, known as an "80% lower," Polymer80 provides a unique opportunity for individuals to legally build their own firearm. This do-it-yourself approach not only allows for customisation but also offers a sense of pride and ownership in the final product.

While building a Polymer80 firearm can be a rewarding experience, it is important to approach the task with caution and a thorough understanding of the relevant laws and safety measures. It is the builder's responsibility to be well-versed in their local firearms regulations and to ensure that they are legally permitted to possess and assemble the weapon. Additionally, strict adherence to safety protocols is crucial when working with firearms.

When it comes to the set screws in the Polymer80 lower receiver set, it is important to use the correct tools for a secure and precise fit. The 1/16-sized hex key is specifically designed to fit the set screws, ensuring that they are properly tightened and secured. Using the correct tool not only guarantees a professional finish but also contributes to the overall safety and reliability of the firearm.

In conclusion, for those embarking on the journey of building their own Polymer80 firearm, it is essential to have the right tools for the job. The 1/16-sized hex key is one such tool, specifically designed to work with the set screws in the Polymer80 lower receiver set. With the correct tools and a meticulous approach, builders can ensure a safe, reliable, and customised firearm that meets their specific needs and complies with all relevant regulations.

A 5/32 drill bit can be used to drill Polymer80 frames

When it comes to firearms, precision is key. The Polymer80 is a popular choice for those looking to build their own firearm, and ensuring the correct drill bit size is essential for a secure and accurate fit.

A 5/32 drill bit can be used to successfully drill Polymer80 frames. This fractional size is an alternative to the metric sizes of 3mm and 4mm (M3 and M4) that are typically recommended for the Polymer80's M3 and M4 bits.

While the provided bits are ideal, some users have reported issues with warped bits in their kits. In such cases, a 5/32 drill bit can be a suitable substitute for the 3mm bit. It's important to note that the 5/32 bit may result in slightly tighter holes, and additional reaming may be required for a perfect fit.

For those without metric bits, the 5/32 option offers a convenient solution, ensuring that builders can still achieve accurate results without having to source specific metric drill bits. This flexibility is particularly useful for those who want to use their own bits rather than wait for replacements.

When drilling Polymer80 frames, it's crucial to use a drill bit that is straight and of good quality. This helps prevent issues with runout (wobble) and ensures accurate pin placement.

A 7/64 drill bit can also be used to drill Polymer80 frames

A 7/64 drill bit can be used to drill Polymer80 frames. This size is also known as fractional sizing. The drill bit can be used to replace the M3 and M4 bits that come with the Polymer80 frame. The M3 and M4 bits are metric 3mm and metric 4mm, respectively.

Users have reported that the bits that come with the Polymer80 frame are warped. As a result, some people have opted to use their own bits, such as the 7/64 drill bit, to drill their Polymer80 frames. It is important to note that the 7/64 drill bit is slightly larger than the M3 and M4 bits, so it may create holes that are too tight for the pins. In this case, you may need to ream the holes to make them slightly larger.

When drilling the Polymer80 frame, it is important to keep the bits straight to avoid eating into the jig. Additionally, the jig should keep the drill bits centred, but it is still important to be careful during the drilling process.

Some users have recommended using brad point bits or other "pilot" guided bits to help resist walking during the drilling process. It is also recommended to use a small tap handle to ream the holes by hand if necessary. Overall, it is important to use high-quality bits to ensure accurate pin placement and avoid damaging your Polymer80 frame.

Frequently asked questions