Aim7 PepperBox Plan- B Muzzle Brake 1/2×28 & 5/8X24

  • Weight: 2.4 oz (1/2×28), 2.2 oz (5/8×24)
  • Overall Length: 1.89″
  • Material: 4140 Steel Nitride Finish
  • Thread Pitch: 1/2×28 TPI (.223/5.56, 9mm) & 5/8×24 TPI (.30 Cal)
  • Caliber: .223 / 5.56, 9mm, .30 Cal (.308 / 300 BLK / 7.62)
  • Suppressor Mount: Plan B / Atlas
  • Torque Spec: 20–30 ft-lbs
  • Additional Info: Peel Washer Included
  • Barrel Length Rating: Tested and rated for 7.5″ barrels and longer (.223/5.56), 9.5″ and longer (5/8×24)

Description

Aim7 PepperBox Plan-B Muzzle Brake (1/2×28 & 5/8×24)

Design & Features

  • Plan-B Interface: Features external threads and a tapered shoulder to create a tight, concentric seal with Plan-B suppressor adapters, ensuring a secure lock-up and preventing carbon from fouling the threads.
  • 360-Degree Porting: The distinctive “pepper pot” radial hole pattern evenly disperses expanding muzzle gases in all directions. This mitigates felt recoil and acts as a sacrificial blast baffle to extend the life of your suppressor.
  • Wrench Flats: Integrated hexagonal flats at the base allow for straightforward torquing and installation using a standard wrench.
  • Mounting Hardware: The device is accompanied by a heavy-duty lock nut and a beveled ring/crush washer to assist with proper timing and secure fitment to the barrel.
  • Smooth Metal Finish: Machined with a smooth, dark protective finish (heat-treated steel with a nitride coating) for maximum durability, heat resistance, and corrosion protection.

Specifications

  • Thread Pitch: 1/2×28 TPI (.223/5.56, 9mm) & 5/8×24 TPI (.30 Cal)
  • Caliber: .223 / 5.56, 9mm, .30 Cal (.308 / 300 BLK / 7.62)
  • Suppressor Mount: Plan-B / Atlas compatible
  • Weight: 2.4 oz (1/2×28) / 2.2 oz (5/8×24)
  • Overall Length: 1.89″
  • Material: 4140 Steel with Nitride Finish
  • Torque Spec: 20–30 ft-lbs
  • Additional Info: Peel Washer Included
  • Barrel Length Rating: Tested and rated for 7.5″ barrels and longer (.223/5.56) 9.5 for 5/8×24

Additional information

Weight 2.6 oz
MUZZLE THREAD PITCH

223/556 (1/2x28tpi), 30 cal (5/8x24tpi)

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