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Questions & Answers
None of the Ultradyne's list the total length or at least I can't find it. Manufacturer Answer

The .223/5.56 Mercury is 2.43" long.

by Ultradyne USA, Manufacturer, October 8, 2025
Will this fit TAVOR x95 ? Manufacturer Answer

Depending on what caliber your Tavor is chambered in, the Mercury will likely be your best bet for an Ultradyne muzzle brake. Make sure your caliber is rated for the muzzle device.

by Ultradyne USA, Manufacturer, October 8, 2025
Customer Reviews
Helpful Positive Review Best Compensator by Nico, April 2, 2019
Eliminates all if any recoil especially on a .223/5.56 smith & wesson sport II. It's very easy to install without any crush washers. A must get and you will def thank me later. I would include a photo of my setup if it was possible.
5/5 found this helpful
Helpful Positive Review great product, does what it claims by Pauly2Tusks, Verified Owner, December 31, 2023
The elimination of the crush washer is why I went with this brand over others. Wish the timing nut was longer and eliminated the washer placeholder for the front sight. Spendy but less than half the price of the Hellfire.
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Read All 2 Reviews
12% Bonus Bucks
Get even more OpticsPlanet Bucks with the purchase of select models to use on future purchases! You will find the amount you'll earn near eligible models.
Color: Black Caliber: .223 Remington Finish: Black Nitride Fabric/Material: 416 Stainless Steel Threads per Inch: 1/2x28 Gun Model: AR-15

Code: 3HE-BMB-MMD-UD10670

MPN: UD10670

UPC: 851019008279

12% Bonus Bucks
List: $120.00Save $5.21
$114.79

Product Info for Ultradyne Mercury .223/5.56 Compensator

MERCURY has been meticulously engineered for the .223/5.56 caliber to provide superior recoil reduction and neutralize muzzle rise with a smooth, balanced release of blast energy. Progressive 90 degrees side ports vent combusting gases at intervals that spread out the recoil impulse for efficient, accurate follow-up shots. Three prongs forward of the bore further enhance stability during operation while simultaneously providing additional flash control. Like all Ultradyne muzzle devices, a timing nut is included for easy installation.image

Specifications for Ultradyne Mercury .223/5.56 Compensator:

Manufacturer: Ultradyne
Color: Black
Caliber: .223 Remington
Finish: Black Nitride
Fabric/Material: 416 Stainless Steel
Threads per Inch: 1/2x28
Gun Model: AR-15

Features of MERCURY:

  • Progressive 90 Degree Ports spread out recoil energy to create a smoother recoil event
  • Shrouded Timing Nut Included
  • 416 Stainless Steel with Ultra Rugged SB Nitride Coating
  • Pairs easily with the Dynamount Sighting System
  • .865 Outside Diameter
  • Competition Legal

Package Contents:

  • Ultradyne Mercury .223/5.56 Compensator

Ultradyne Mercury .223/5.56 Compensator Orderable Models

List of Orderable Models

Ultradyne Mercury Compensator, 223/5.56, 1/2x28, Black, UD10670 , MPN: UD10670 , UPC: 851019008279 , Code: 3HE-BMB-MMD-UD10670
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