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Questions & Answers
I see one of the settings is .243, is that going to be enough clearance to work with 6mm arc?

Yes. The diameter of the 6mm ARC bullet is 0.243 inches making it an exact fit which is ideal.

Muzzle devices such as suppressors, muzzle breaks, and compensators like this “Ulfhednar Troll” work best with as little ‘clearance’ as possible. Compensators work by diverting gas upwards which in turn pushes your muzzle downward resulting in less muzzle climb.

A bullet with a smaller diameter than the interior of the compensator will reduce the efficacy of the device; This is caused by the gas being able to travel around the bullet and forwards instead of upwards. Doing so does not have any drawbacks however. �

by Microwaved Tilapia, Verified Owner, May 5, 2025
Does this fit howa 1500 7mm rem mag ?

If it has 5/8 x 24 threads and you use the 0.30 insert.

by Don Cummins, Verified Owner, May 30, 2025
Customer Reviews
Helpful Positive Review
I've tried many different muzzle devices for my precision builds and while a suppressor is my favorite choice, that isn't always an option for everyone depending on local laws, etc. This is by far the best muzzle brake I've ever used. This brake has ...
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17/17 found this helpful
Helpful Positive Review
Ulfhednar A.K.A Lil thumper!! by Jay Saye, Verified Owner, June 14, 2025
This brake works great for keeping your POA on target for faster follow up shots. Easy to install and doesn't hurt that it looks badass!!
1/1 found this helpful
Most Recent Reviews
it's just ok.... by Tim, Verified Owner, August 9, 2025
There's nothing about this brake that just knocks your socks off. It does what its supposed to do, I guess. Doesnt do anything better than any other I've got. Curious how it will hold up being aluminum. No way I would pay the list price.
Read All 3 Reviews

Code: ULF-RMC-OKHJU-VISION-803

MPN: VISION-803

UPC: 745114732217

List: $206.14Save 15%
$174.99

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OP Bucks$10.10

Product Info for Ulfhednar Troll Muzzle Brake

This muzzle brake has some great new innovations! It is made of 7075 aluminum, which is comparable in strength as several types of steel, but is much lighter. The weight is only about 80 grams! The brake comes with 3 steel inserts which allow it to switch between calibers .30, .264 and .24. It's 3 brakes in one! The locknut ensures that the brake will always be perfectly mounted. Due to the low weight there is minimal point of impact change, compared to other brakes we have tested. We've also never shot with a brake that reduces the recoil as much as this one!image

Specifications for Ulfhednar Troll Muzzle Brake:

Manufacturer: Ulfhednar
Weight: 85 g, 3 oz
Quantity: 5
Fabric/Material: 7075 Aluminum

Features of Vision Products Troll Muzzle Brake

  • 5/8x24 threaded with an adapter for 1/2x28 (AR-15/M16) threads

Package Contents:

  • Ulfhednar Troll Muzzle Brake

Ulfhednar Troll Muzzle Brake Orderable Models

List of Orderable Models

  • Ulfhednar Troll Muzzle Brake, .30/.26 /.24, VISION-803 , MPN: VISION-803 , UPC: 745114732217 , Code: ULF-RMC-OKHJU-VISION-803
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