FPM Gunworks Spleen Splitter 5.56 / .223 Muzzle Brake 5/8x24 Heat Treated

The FPM Gunworks Spleen Splitter is a compact muzzle brake built for 5.56 NATO and .223 Remington platforms using a 5/8x24 thread pattern. Made from 17-4 stainless steel, it is designed for shooters who want a durable muzzle device with a compact overall profile and a rugged heat-treated finish.

With a 2.170 inch overall length, this model is a practical fit for rifle builds, upgrades, and replacements where a strong, hard-use muzzle brake is preferred. Its heat-treated finish gives it a clean, purposeful look while supporting long-term durability in demanding applications.

Highlights

• FPM Gunworks Spleen Splitter muzzle brake
• Fits 5.56 NATO and .223 Remington platforms
• 5/8x24 thread pattern
• 17-4 stainless steel construction
• 2.170 inch overall length
• Heat-treated finish for a durable hard-use setup
• Good fit for rifle builds, upgrades, and replacements

Specifications

• Brand: FPM Gunworks
• Model: Spleen Splitter
• UPC: 850083185336
• Caliber: 5.56 / .223
• Thread Pattern: 5/8x24
• Overall Length: 2.170 in
• Material: 17-4 Stainless Steel
• Finish: Heat Treated
• Product Type: Muzzle Brake