The Rearden 10104 R2S (HT) 0.375 5/8-24 Square Plan B flash hider is engineered for shooters who want a compact, robust mounting solution that integrates seamlessly with modern suppressor systems. Machined from 17-4 PH H900 stainless steel and finished in a heat-treated, black nitride surface, this R2S model is compatible with Atlas, Atlas XL, and Plan B style mounts, delivering a secure interface and consistent alignment on 5/8x24 threaded barrels.

This flash hider is designed for square mount barrels and adds approximately 1.115 inches of length, making it a practical choice for suppressor users who need reliable clearance and repeatable mounting. Its updated rear wrench flats simplify installation and removal, while the compact 1.74-inch overall length and 1.6-ounce weight help keep your rifle balanced for range use, training, or general shooting. Rearden’s attention to precision machining and thoughtful design makes this R2S a dependable upgrade for shooters who value quality and consistency.

Key Features:

• Manufacturer: Rearden
• Model: R2S Heat Treat 5/8x24 Flash Hider
• Thread Pitch: 5/8x24
• Material: 17-4 PH H900 stainless steel
• Compatibility: Atlas, Atlas XL, Plan B type mounts
• Length: 1.74 inches
• Weight: 1.6 oz
• Length Added: 1.115 inches
• Finish: Black nitride, 67 HRC surface hardness
• Mount Type: Square mount barrel, Plan B style interface