Otter Creek Labs 1/2x28 OTB Flash Hider - Raw Heat Treated Finish

Otter Creek Labs 1/2x28 OTB Flash Hider - Raw Heat Treated Finish

Designed as an over-the-barrel (OTB) flash hider and suppressor mount, it delivers exceptional muzzle flash reduction while keeping your rifle’s overall length tight, balanced, and highly maneuverable.

Built for real-world conditions, this premium muzzle device offers a rock-solid mounting solution for the OCM5, AEM5, and Ops Inc 12th model suppressors. Its integrated one-piece design eliminates the complexity of traditional multi-component systems, giving you faster setup, improved reliability, and a cleaner rifle profile.

Whether you're building a precision rifle, duty setup, or a low-profile tactical platform, the OTB Flash Hider provides the perfect fusion of flash suppression, durability, and suppressor compatibility—so you can shoot confidently in low light, maintain target focus, and reduce signature when it matters most.

Crafted from H900 heat-treated 17-4 stainless steel, this flash hider is built to endure extreme heat, pressure, and hard use, making it a trusted upgrade for serious AR-15 platforms.

Integrated One-Piece Design
Combines flash hider and suppressor mount into a single streamlined unit, removing the need for separate collars or multi-part systems for faster, simpler installation.

Over-the-Barrel Compact Profile
OTB design minimizes added length, preserving rifle balance and maneuverability while maintaining full suppressor compatibility.

Superior Flash Suppression
Effectively reduces visible muzzle flash, improving concealment and target visibility during low-light or tactical shooting scenarios.

Extreme Durability Construction
Made from H900 heat-treated 17-4 stainless steel to withstand high temperatures, pressure, and extended firing schedules.

Specifications

• Caliber: 5.56 NATO / .223 Remington
• Material: H900 heat-treated 17-4 stainless steel
• Thread Pitch: 1/2x28 TPI
• Maximum Barrel Outer Diameter: .75 inches or smaller
• Minimum Exposed Barrel Requirement: 2.05 inches from shoulder
• Compatible Suppressors: Otter Creek OCM5, Allen Engineering AEM5, Ops Inc 12th Model
• Finish: Raw Heat Treat
• Mounting Style: Over-the-barrel integrated suppressor mount flash hider