AR-15 Thread Protectors – 1/2x28 & 5/8x24 Muzzle Covers

Protect your rifle’s muzzle threads and maintain a clean, tactical look with a precision-fit AR-15 thread protector. Whether you're storing your rifle, transporting it, or simply not running a muzzle device, a thread protector is a small investment that can save you from expensive repairs.

At Mounts Plus, we offer a wide range of thread protectors for AR-15s, including both 1/2x28 and 5/8x24 options. Built from durable materials like steel or aluminum and available in various finishes, these protectors are a smart, subtle upgrade for your firearm.

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Why Use a Thread Protector on Your AR-15?

• Protects exposed barrel threads from impact, corrosion, and debris.
• Improves appearance when no compensator or suppressor is installed.
• Ideal for minimalist or duty rifles running bare muzzles.
• Easy to install with a snug fit and no tools required.
• Available for both 1/2x28 and 5/8x24 barrels—fit most AR-15 and AR-10 rifles.

Whether you're between muzzle devices, storing your rifle long-term, or simply prefer a cleaner look, a thread protector is an essential part of maintaining your firearm.

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Choosing the Right AR-15 Thread Protector

• 1/2x28 Thread Protectors – Designed for .223/5.56 NATO barrels, the most common AR-15 thread.

• 5/8x24 Thread Protectors – Ideal for larger calibers like .308 or 7.62 NATO AR platforms.

• Finish Options – Black oxide, stainless steel, and FDE coatings available to match your setup.

All of our thread protectors are precision-machined for optimal fit and finish, ensuring they stay secure without affecting accuracy or barrel function.

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Browse AR-15 Thread Protectors at Mounts Plus

Don’t risk damaging your barrel threads. Shop high-quality, American-made thread protectors today and protect your investment with confidence.

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❓ Frequently Asked Questions (FAQ)

Q: Will a thread protector affect my rifle’s accuracy?
A: Not at all. Thread protectors are neutral in design and do not affect barrel harmonics or shot placement.

Q: How do I know what thread pitch I need?
A: Most AR-15 barrels are 1/2x28, while AR-10 and .308 barrels are typically 5/8x24. Always confirm your barrel specs before ordering.

Q: Can I install a thread protector myself?
A: Yes—thread protectors are simple to install by hand and require no special tools.

Q: Are thread protectors legal to use?
A: Yes. They are legal across the U.S. and are considered a standard firearm accessory.

Protecting your threads is just the beginning. Explore premium AR-15 muzzle devices and AR-15 barrels to complete your rifle setup. Need more upgrades? Our collection of AR-15 accessories has everything from optics to grips. For a custom touch, don’t miss the Backup Tactical thread protector series.