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Breek Arms 2BO-S Short Single Port Muzzle Brake

Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050
Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050
Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
1 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
2 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050
3 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050
Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
4 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
5 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050
6 of 6 images
Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050

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Questions & Answers
The description says the outside thread is 13/16 TPI. Is that 13/16x16 or 13/16x3/4? Manufacturer Answer

The outside threads are 13/16" x 16 TPI

by Breek Arms, Manufacturer, February 12, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Small yet effective by Tyler Knapp, Verified Owner, April 3, 2025
Just finished my first rifle build. Installed standard A2 birdcage for the first initial rounds through…exactly as expected. Installed muzzle brake and sent more rounds down range and WOW!!!! Night and day difference! This is installed on a 16” w/ mi...
Read More...
1/1 found this helpful
Helpful Negative Review
Does what it claims, but… by Hoodie, Verified Owner, December 23, 2023
The muzzle brake does ok in terms of reducing recoil, but does nothing for muzzle rise. It’s well made, coating is nice and not as large as I thought it would. Good for a short build. Overall the muzzle rise makes quick follow up shots harder. So bu...
Read More...
1/5 found this helpful
Most Recent Reviews
My preference in brakes and blast forwarders. by Buck Stalker, Verified Owner, August 15, 2025
But a couple blast shields and put these on all of your threaded barrels. They work great.
Most Recent Reviews
Small brake by Cesspool, Verified Owner, March 22, 2025
Nice little brake light great finish, fast shipping
0/1 found this helpful
Read All 4 Reviews

Product Discontinued by Manufacturer

Breek Arms 2BO-S Short Single Port Muzzle Brake has been discontinued by Breek Arms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Weapon Accessories, Gun Parts, Muzzle Devices, Muzzle Brakes & Compensators yourself to try and find the perfect replacement for you!

Product Info for Breek Arms 2BO-S Short Single Port Muzzle Brake

The 2BO-S Single Port Muzzle brake was designed to reduce recoil and muzzle rise and keep your rifle footprint short. The recoil reduction allows the shooter to stay on target and take follow up shots quickly. This is important when speed and accuracy make the difference such as in competitive shooting or self defense situations.image

The brake is machined out of 4140 steel, heat treated for hardness, and nitride offering exceptional strength and durability. The 2BO-S has large 90 degree ports to mitigate recoil and muzzle rise countering the force generated through firing. This gives less blowback resulting in higher overall shooter comfort. It features a sleek design that integrates seamlessly with any system, maintaining a clean appearance that looks great on any firearm.

Features of Breek Arms 2BO-S Short Single Port Muzzle Brake

  • Short profile works great for Pistol Caliber Carbines
  • Design: 2BOS Single Port Short Muzzle Brake
  • Outside Thread: 13/16 TPI
  • Material: 4140 Nitrided
  • Comes with 1 Crush Washer
  • Overall length: 1.64 Inches
  • Weight: 2.1 (223/556), 1.7 oz (30cal), 2.1 oz (9mm)

Package Contents:

  • Breek Arms 2BO-S Short Single Port Muzzle Brake
  • Crush Washer

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MTM P50SS9M24 Side-Slide Ammo Box Pistol 9mm, 30 Luger, 32 S&W, 380 ACP, 9mm Makarov, P50SS9M24
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MTM J-20 Slip-Top Boxes .17/.223/.222 Magnum, Clear Green, J-20-XS-16
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MTM Ammo Box 100 Round Flip-Top 223 204 Ruger 6x47, smk/clear, small RS-100-41
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MTM 50 Round 9MM/380 Green Pistol Ammo Box, P509M10
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MTM Ammo Can Tray for Metal Cans 30 Cal., Dark Earth, MAC30
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MTM Ammo Box 9mm Luger/.380acp /9x18 200-rounds, Clear Blue, P200924
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MTM 9mm Ammo Can 1000 Round w/ 10 each P-100-9s, Dark Earth ACC9
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Ammunition

1–18 / 18
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13% Coupon
Hornady Frontier .223 Remington 55 Grain Hollow Point Brass Cased Rifle Ammunition
2 models
Hornady Frontier .223 Remington 55 Grain Hollow Point Brass Cased Rifle Ammunition
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7% Coupon
Fiocchi 9mm Luger 0 Grain Brass Blank Ammunition
Fiocchi 9mm Luger 0 Grain Brass Blank Ammunition
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$30.69
$0.61/Round
8% Coupon
Norma Range Training FMJ 9mm Luger 124 Grain Full Metal Jacket Brass Cased Centerfire Pistol Ammunition
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PMC Bronze .223 Remington 55 Grain FMJ Boat Tail Ammunition
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(46)
List: $25.99 (Save 56%)
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$0.57/Round
14% Coupon
PMC Ammunition PMC Bronze 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammunition
PMC Ammunition PMC Bronze 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammunition
(1)
List: $21.99 (Save 20%)
$17.49
$0.35/Round
Umarex - 9mm PAK, 50 qty 2252753
Umarex - 9mm PAK, 50 qty 2252753
List: $27.99 (Save $1.00)
$26.99
$0.54/Round
14% Coupon
Hornady Critical Defense 9 mm Luger 115 Grain Flex Tip eXpanding Centerfire Pistol Ammunition
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(44)
List: $40.00 (Save 29%)
$28.49
$1.14/Round
Up to 15% Coupon
Hornady BLACK .223 Remington 75 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammunition
Hornady BLACK .223 Remington 75 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammunition
(6)
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$1.07/Round
SinterFire Reduced Hazard 9 mm Luger 100 Grain Frangible Brass Cased Pistol Ammunition
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(4)
List: $35.79 (Save 16%)
$29.99
$0.60/Round
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Winchester USA Handgun 9 mm NATO 124 grain Full Metal Jacket Brass Cased Centerfire Pistol Ammunition
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(11)
List: $14.79
$14.49
$0.29/Round
15% Coupon
Hornady Custom 9 mm Luger 147 Grain eXtreme Terminal Performance Centerfire Pistol Ammunition
Hornady Custom 9 mm Luger 147 Grain eXtreme Terminal Performance Centerfire Pistol Ammunition
(2)
List: $36.51 (Save 34%)
$24.19
$0.97/Round
14% Coupon
Hornady Ammo 9mm Luger 115 Grain Brass Cased Full Metal Jacket Pistol Ammunition
Hornady Ammo 9mm Luger 115 Grain Brass Cased Full Metal Jacket Pistol Ammunition
List: $176.40 (Save 20%)
$141.49
$0.57/Round
Up to 15% Coupon
Hornady Superformance .223 Remington 53 Grain V-MAX Centerfire Rifle Ammunition
Hornady Superformance .223 Remington 53 Grain V-MAX Centerfire Rifle Ammunition
(6)
List: $39.64 (Save 29%)
$27.99
$1.40/Round
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Aguila Ammunition 9mm Luger 115 Grain Full Metal Jacket (FMJ) Brass Cased Pistol Ammunition
Aguila Ammunition 9mm Luger 115 Grain Full Metal Jacket (FMJ) Brass Cased Pistol Ammunition
(34)
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$15.99
$0.32/Round
PPU PPB9L Blank Ammo9mm Luger 50 Bx/ 20 Cs
PPU PPB9L Blank Ammo9mm Luger 50 Bx/ 20 Cs
List: $49.99 (Save 46%)
$26.99
$0.54/Round
Freedom Munitions HUSH Subsonic 9mm Luger 147 Grain Round Nose Brass Pistol Ammunition
Freedom Munitions HUSH Subsonic 9mm Luger 147 Grain Round Nose Brass Pistol Ammunition
List: $24.19 (Save 11%)
$21.49
$0.43/Round
Freedom Munitions HUSH Subsonic 9mm Luger 165 Grain Round Nose Brass Pistol Ammunition
Freedom Munitions HUSH Subsonic 9mm Luger 165 Grain Round Nose Brass Pistol Ammunition
List: $25.59 (Save 12%)
$22.49
$0.45/Round
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PMC 9G Bronze 9mm Luger 124 Grain Full Metal Jacket Centerfire Pistol Ammunition
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(5)
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Breek Arms 2BO-S Short Single Port Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047 , MPN: BRK4047 , UPC: 812296031039 , Code: 4TY-BMB-B2BOS-BRK4047
  • Breek Arms 2BO-S Short Single Port Muzzle Brake, .30 Caliber, 5/8x24, Black, BRK4048 , MPN: BRK4048 , UPC: 812296031046 , Code: 4TY-BMB-B2BOS-BRK4048
  • Breek Arms 2BO-S Short Single Port Muzzle Brake, 9mm, 1/2x28, Black, BRK4050 , MPN: BRK4050 , UPC: 812296031053 , Code: 4TY-BMB-B2BOS-BRK4050
  • USED Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: BRK4047-EDEMO1 , Code: 4TY-BMB-B2BOS-BRK4047-EDEMO-RE-A
  • USED, Breek Arms 2BO-S Short Single Port Muzzle Brake, 223/556, 1/2x28, Black, BRK4047 , MPN: BRK4047-EDEMO , Code: 4TY-BMB-B2BOS-BRK4047-EDEMO-RE-B
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