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Customer Reviews
Most Recent Reviews
Quality Product by Justin, Verified Owner, February 22, 2026
Fit and finish is great. Easy to install and worked well with other plan b mounts!
Most Recent Reviews
good fit, well priced by Chase S., Verified Owner, February 19, 2026
Good value, especially for the price. Spent more on another brand, but I couldn’t justify buying it again comparing it to this one
Most Recent Reviews
good fit, well made by Chase S., Verified Owner, February 19, 2026
Well made, even though I was skeptical of the lower price, did not disappoint
Most Recent Reviews
Great Plan B Option by Justin, Verified Owner, February 14, 2026
Great little brake! Works with comstock plan b adapter perfectly!!!
Most Recent Reviews
Kaw Valley Precision Plan B Muzzle Brake by GreenLight, Verified Owner, February 8, 2026
Basic minimalist Plan-B muzzel device. No issues.
Most Recent Reviews
Got this 1/2x28 Plan-B mount for an AR9 SBR build. My 8" 9mm barrel was threaded 1/2x28 and is tucked into a Midwest SP handguard. I needed a simple small break mount and the Rearden MFG Mini was out of stock, so I got this mount. I works.
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Product Info for Kaw Valley Precision Plan B Muzzle Brake

The Kaw Valley Precision Plan B Taper Mount Brake is seamlessly engineered to be fully compatible with Plan B mounting systems. Designed to effortlessly attach and detach from your firearm, our brake ensures quick and hassle-free adjustments to your shooting setup without the need for timing or shims.image

Specifications for Kaw Valley Precision Plan B Muzzle Brake:

Manufacturer: Kaw Valley Precision
Color: Black
Projectile Caliber: .500 Caliber
Caliber: .45
Finish: Nitride QPQ
Fabric/Material: 17-4 Stainless Steel
Gun Make: Universal
Gun Model: Universal
Barrel Material: 17-4 PH Stainless Steel
Length: 1.27 in

Features of Kaw Valley Precision Plan B Muzzle Brake

  • OAL: 1.27in
  • Bore: .500 (ANY Caliber)
  • Shoulder: Square

Package Contents:

  • Kaw Valley Precision Plan B Muzzle Brake

Kaw Valley Precision Plan B Muzzle Brake Orderable Models

List of Orderable Models

  • Kaw Valley Precision Plan B Brake - 1/2x28, Black Nitride QPQ Finish, Small, KVP-PLANB-BRAKE01 , MPN: KVP-PLANB-BRAKE01 , UPC: 793888392168 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE01
  • Kaw Valley Precision Plan B Brake - 5/8x24, Black Nitride QPQ Finish, Small, KVP-PLANB-BRAKE02 , MPN: KVP-PLANB-BRAKE02 , UPC: 793888392267 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE02
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, .578x28, Black, KVP-PLANB-BRAKE07 , MPN: KVP-PLANB-BRAKE07 , UPC: 793888393066 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE07
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 11/16x24, Black, KVP-PLANB-BRAKE05 , MPN: KVP-PLANB-BRAKE05 , UPC: 793888392861 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE05
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 9/16x24, Black, KVP-PLANB-BRAKE06 , MPN: KVP-PLANB-BRAKE06 , UPC: 793888392960 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE06
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 1/2x36, Black, KVP-PLANB-BRAKE04 , MPN: KVP-PLANB-BRAKE04 , UPC: 793888392762 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE04
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, M18x1.5, Black, KVP-PLANB-BRAKE09 , MPN: KVP-PLANB-BRAKE09 , UPC: 793888393264 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE09
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 3/4x24, Black, KVP-PLANB-BRAKE08 , MPN: KVP-PLANB-BRAKE08 , UPC: 793888393165 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE08
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, M13.5x1 LH, Black, KVP-PLANB-BRAKE11 , MPN: KVP-PLANB-BRAKE11 , UPC: 793888393462 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE11
  • USED, Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 1/2x36, Black, KVP-PLANB-BRAKE04 , MPN: KVP-PLANB-BRAKE04-EDEMO , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE04-EDEMO-OB-A
  • USED, Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, M18x1.5, Black, KVP-PLANB-BRAKE09 , MPN: KVP-PLANB-BRAKE09-EDEMO , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE09-EDEMO-OB-B
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, 5/8x32, Black, KVP-PLANB-BRAKE03 , MPN: KVP-PLANB-BRAKE03 , UPC: 793888392663 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE03
  • Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, M14x1 LH, Black, KVP-PLANB-BRAKE10 , MPN: KVP-PLANB-BRAKE10 , UPC: 793888393363 , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE10

Kaw Valley Precision Plan B Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Kaw Valley Precision Plan B Brake - 1/2x28, Black Nitride QPQ Finish, Small, KVP-PLANB-BRAKE01 , MPN: KVP-PLANB-BRAKE01-EDEMO , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE01-EDEMO-RE-B
  • USED, Kaw Valley Precision Plan B Muzzle Brake, .45 Caliber, M14x1 LH, Black, KVP-PLANB-BRAKE10 , MPN: KVP-PLANB-BRAKE10-EDEMO , Code: 4S3-BMB-PLB1-KVP-PLANB-BRAKE10-EDEMO-OB-B
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