fits model: M16, M18, M20, M3.

| Brand | HELICOIL |
|---|---|
| Manufacturer Part Number | 5546-3 |
| Part Type | METRIC |
The Helicoil 5546-3 Thread Repair Kit is an essential tool for any gunsmith or DIY enthusiast who works with firearms. This closed-end thread repair kit is specifically designed for repairing threads on M14, M16, M18, M20, and other similar military-style rifles that use 5.56mm or .223 caliber ammunition.
The kit comes with a variety of Helicoil inserts, each designed to fit different thread sizes and pitches. The Helicoil inserts are made from a high-strength alloy that is designed to provide a secure and long-lasting repair. The closed-end design of the inserts ensures that they can be installed without the need for thread chasing, which can damage the barrel.
The kit also includes a Helicoil installation tool, which is specifically designed to work with the closed-end inserts. The tool is easy to use and ensures that the insert is installed correctly, ensuring a strong and reliable repair. The kit also includes a set of instructions, which provide clear and detailed instructions on how to use the kit to repair damaged threads.
The Helicoil 5546-3 Thread Repair Kit is a high-quality tool that is easy to use and provides a reliable repair. It is an essential tool for anyone who works with firearms, and can save you time and money by allowing you to repair damaged threads rather than replacing the barrel. With the Helicoil 5546-3 Thread Repair Kit, you can keep your firearms in top condition and ensure that they are safe and reliable to use.
Pros of buying Helicoil 5546-3 thread repair kit:1. Compatibility: The kit is designed to repair threads on various types of firearms, including M14, M16, M18, M20, and M3. This makes it a versatile option for gun owners who may have multiple firearms with damaged threads.
2. Ease of use: Helicoil repair kits are designed to be easy to use, even for those with little experience in thread repair. The kit includes everything needed to repair the thread, including the Helicoil itself, a tap, and a die.
3. Durability: Helicoil repair threads are known for their durability and strength. Once the repair is completed, the thread should withstand regular use without issue.
4. Cost-effective: Repairing threads with a Helicoil kit can be more cost-effective than replacing the entire part. It can save you the time and expense of purchasing a new part and having it installed.
Cons of buying Helicoil 5546-3 thread repair kit:1. Limited thread sizes: The 5546-3 kit is only compatible with specific thread sizes. If your firearm has a different thread size, you will need to purchase a different kit.
2. Requires some skill: While the kit is designed to be easy to use, some skill is required to properly install the Helicoil. If you are not confident in your ability to perform the repair, it may be best to hire a professional.
3. Can be time-consuming: Repairing threads with a Helicoil kit can take some time. If you are in a hurry, it may be more convenient to replace the part instead.
In conclusion, the Helicoil 5546-3 thread repair kit can be a cost-effective and durable option for repairing damaged threads on various types of firearms. However, it is important to consider the limited thread sizes and the skill required to properly install the Helicoil. If you are unsure about your ability to perform the repair, it may be best to hire a professional. Overall, I would recommend considering this kit if you have the necessary skills and your firearm's thread size is compatible.
Shipped USPS mail. I don't know what model's these are the model numbers on packaging is rubbed off.
