FPM Gunworks Whistling Bunghole .30 / 7.62mm Thread Protector 5/8x24 Heat Treated

The FPM Gunworks Whistling Bunghole is a compact thread protector built for .30 caliber and 7.62mm platforms using a 5/8x24 thread pattern. Made from heat-treated 17-4 stainless steel, it offers a durable, low-profile option for protecting muzzle threads when a muzzle device or suppressor is not installed.

With its short 0.90 inch overall length, this model is a practical fit for shooters who want a clean-looking thread protector that adds strength without unnecessary bulk. It is a strong option for rifle builds, replacements, and general maintenance where thread protection and long-term durability are important.

Highlights

• FPM Gunworks Whistling Bunghole thread protector
• Fits .30 caliber and 7.62mm platforms
• 5/8x24 thread pattern
• Compact 0.90 inch length
• Heat-treated 17-4 stainless steel construction
• Low-profile option for protecting exposed muzzle threads
• Good fit for rifle builds, replacements, and maintenance

Specifications

• Brand: FPM Gunworks
• Model: Whistling Bunghole
• Manufacturer Part Number: WBH4658X24SSHT
• UPC: 850083185480
• Item Number: 196386
• Caliber: .30 / 7.62mm
• Thread Pattern: 5/8x24
• Length: 0.90 in
• Material: 17-4 Stainless Steel
• Finish: Heat Treated
• Product Type: Thread Protector