FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Restriction Government Restriction
You May Also Like
Amend2 Banana Mod-2 Magazine, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Yellow, 1 Pack, Polymer, 556BANANA30-30RD
Amend2 Banana Mod-2 Magazine, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Yellow, 1 Pack, Polymer, 556BANANA30-30RD
(1)
List: $45.07 $27.99 Save Up to $17.08
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, 6mm/6.5mm Creedmoor, 5/8x24, Black, TRBCIB6.58x24
TRYBE Defense Cowl Induction Muzzle Brake, 6mm/6.5mm Creedmoor, 5/8x24, Black, TRBCIB6.58x24
(39)
List: $182.99 $56.99 Save Up to $145.50
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
(39)
List: $132.99 $37.49 Save Up to $145.50
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, .338 Lapua, M18x1.5, Black, TRBCIB338M181.5
TRYBE Defense Cowl Induction Muzzle Brake, .338 Lapua, M18x1.5, Black, TRBCIB338M181.5
(39)
List: $182.99 $37.49 Save Up to $145.50
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, .338 Lapua, 5/8x24, Black, TRBCIB33858x24
TRYBE Defense Cowl Induction Muzzle Brake, .338 Lapua, 5/8x24, Black, TRBCIB33858x24
(39)
List: $182.99 $37.49 Save Up to $145.50
Blazin' Deal TRYBE Defense AR-15 Barrel, Pistol 10.5in, .223 Wylde, Government Profile, Black, BARPIST105223
TRYBE Defense AR-15 Barrel, Pistol 10.5in, .223 Wylde, Government Profile, Black, BARPIST105223
(22)
List: $174.99 $99.99 Save Up to $83.00
Blazin' Deal TRYBE Defense 16 in Wylde Government Profile AR Carbine Barrel, .223 Wylde, 1/2X28 Threads, Nitride, Black, BARCARBT16223
TRYBE Defense 16 in Wylde Government Profile AR Carbine Barrel, .223 Wylde, 1/2X28 Threads, Nitride, Black, BARCARBT16223
(22)
List: $172.99 $89.99 Save Up to $83.00
Blazin' Deal TRYBE Defense AR-15 .223 Remington/5.56mm NATO A2 Flash Hider, black, A2FH556
TRYBE Defense AR-15 .223 Remington/5.56mm NATO A2 Flash Hider, black, A2FH556
(14)
List: $16.99 $9.99 Save Up to $13.90
Blazin' Deal Amend2 Mod-2 Magazine Pack of 3, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Black with Red, White and Blue Internals, 3PACK556BLK30-30RD
Amend2 Mod-2 Magazine Pack of 3, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Black with Red, White and Blue Internals, 3PACK556BLK30-30RD
(3)
List: $41.99 $34.19 Save $7.80
TRYBE Tactical Reusable Multi-Purpose Ear Plugs, 33dB, Universal Fit, TRT-EP-SMK
TRYBE Tactical Reusable Multi-Purpose Ear Plugs, 33dB, Universal Fit, TRT-EP-SMK
(16)
List: $28.98 $27.49 Save $1.49
Questions & Answers
can this hide flash also? Manufacturer Answer

The flash you experience can be GREATLY adjusted by altering your barrel length and ammunition. As a rule of thumb, a shorter barrel such as a 10.5" will have much more flash than a standard 16" barrel (which is the length we recommend running the NERO 556 on). As for ammunition, it depends on how hot the ammo is as well as the flash retardant in the powder formula. Different brands have differing amounts (and this could vary greatly). We do not market the NERO 556 as a flash hider but you can take steps to reduce any flash you may experience. Using a higher-end .223 Remington duty load designed for LE for example (something like Hornady TAP) can greatly reduce any flash experienced if any on a 16" patrol carbine.

by Walker Defense, Manufacturer, December 21, 2022
Will this work for a AR pistol build with a 10.5 to 12.5” barrel? Expert Answer

The Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator can be used on an AR Pistol if it is chambered in .223/5.56 and has a barrel threaded for 1/2x28.

by Hunter, Gear Expert, August 15, 2022
Customer Reviews
Helpful Positive Review Outstanding Brake!! by RDR1000, Verified Owner, October 14, 2024
I was shocked when I first ran the Nero. Excellent control and manageability, even on full-auto. I HIGHLY recommend this unit.
2/2 found this helpful
Helpful Positive Review Very effective brake by Sandman, October 16, 2024
I’ve got two Nero’s - one on a .223/5.56 and one on a .300BLK. Both do exactly what they are supposed to do - reduce muzzle rise, and symmetrically eject gasses to the sides and down on my rifles. It’s a unique design, with a look I like a lot.
2/2 found this helpful
Helpful Positive Review Remarkable product by tracker25, Verified Owner, February 11, 2025
This does everything it says it does, my AR was a pretty good flat shooter to begin with. But this is as I said a remarkable piece. Although very pricey, it is also worth the money spent. Keeps your weapon dead on target. After the short learning cur...
Read More...
2/2 found this helpful
Helpful Positive Review Formula 1 could take lessons on down-force by Desert Marine, November 25, 2019
As a brake, recoil (light as it is already) is minimized. Side-concussion is more than a flash hider, but less than a chamber brake. As a compensator, muzzle rise is non-existent. F1 cars wish they had this much downforce. Slow fire, you can stay in...
Read More...
30/33 found this helpful
Helpful Positive Review Awesome muzzle break by StJames, Verified Owner, February 2, 2025
Unique futuristic appearance that ooks like nothing else. Works like nothing else. Cool product that is a conversation starter.
1/1 found this helpful
Helpful Positive Review nero 556 muzzle. break by tracker25, Verified Owner, February 4, 2025
Just what I was looking for. Works as described. A little pricey but isn’t everything these days.
1/1 found this helpful
Read All 17 Reviews

Save on ALL Walker Defense Research Products This Labor Day!

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
Color: Black Caliber: .223 Remington , .224 Valkyrie , 5.56x45mm NATO Finish: Ionbond (DLC) Fabric/Material: Inconel Threads per Inch: 1/2x28 Gun Make: AR Platform , Israel Weapon Industries (IWI) Gun Model: AR-15 , IWI Tavor Length: 2.6 inWeight: 3.8 oz

Code: 3TI-BMB-WDRMUZB-NERO556

MPN: NERO556

UPC: 3117434

Blazin' Deal
List: $219.99Save 18%
$179.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator

Walker Defense Research (WDR) set off to create the ideal compensating muzzle brake by starting from a blank canvas. Their goal was to completely transform the recoil impulse of the AR-15 into a simple, soft rearward push with zero muzzle climb and manageable concussion to still be viable for tactical applications.image

To do this, WDR had to reject all design constraints and engineer the NERO 556 from the ground up using computational fluid dynamics and direct metal laser sintering (DMLS also referred to as 3D printed metal). Leveraging these cutting-edge technologies also allowed them to manufacture a device using Inconel, a nickel-chromium superalloy more at home in rockets and jet engines to produce a muzzle brake that had no peer. Whether combat or competition, the NERO 556 is designed to give you the ideal level of controllability and speed.

Specifications for Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator:

Manufacturer: Walker Defense Research
Color: Black
Caliber: .224 Valkyrie, 5.56x45mm NATO, .223 Remington
Finish: Ionbond (DLC)
Fabric/Material: Inconel
Threads per Inch: 1/2x28
Gun Make: AR Platform, Israel Weapon Industries (IWI)
Gun Model: IWI Tavor, AR-15
Length: 2.6 in
Weight: 3.8 oz
Country of Origin: USA

Features of Walker Defense Research AR-15 NERO Hybrid Muzzle Brake & Compensator

  • Eliminate Muzzle Climb for an Exceptionally Flat-shooting Experience
  • Substantially Reduce Recoil
  • Manage Felt Concussion Relative to Traditional Muzzle Brakes
  • Pre-drilled hole for pinning and welding to a 14.5in barrel
  • Serialized for Quality Control

Package Contents:

  • Walker Defense Research AR-15 NERO Hybrid Muzzle Brake & Compensator
  • 1 crush washer included

Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator Orderable Models

List of Orderable Models

Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator, 1/2x28 Threads, NERO556 , MPN: NERO556 , UPC: 3117434 , Code: 3TI-BMB-WDRMUZB-NERO556
Compare (0)