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 Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
I see it comes with a crush washer but does this muzzle device need to be timed with shims? i would like to try it on my FN 510 10mm. Manufacturer Answer

We time it using the crushed washer.

by STERN DEFENSE, Manufacturer, November 27, 2024
What is the length of this brake? Manufacturer Answer

2 1/8 inch

by STERN DEFENSE, Manufacturer, November 27, 2024
Customer Reviews
Most Recent Reviews
Crush washer too big by Yoop, Verified Owner, January 26, 2026
Almost a perfect fit. The crush washer is a large and fit loose, so seated a bit offset from center. Device looks to be quality and a great design, tho I have not used yet. Happy I went with it despite the washer
Read 1 Review
Color:
Black
Finish:
Black Nitride
Additional Features:
Threaded .578-28

Code: 3JS-BMB-SDMDCB45M1-003-SD-CB45-MOD1-D1-M

MPN: 003-SD CB45 MOD1-D1-M

List: $77.99Save 10%
$69.99

Product Info for Stern Defense CB45 MOD1 Muzzle Device

Manufactured to the highest quality standards right here in the U.S.A. Full auto tested to ensure that the compensator ports keep muzzle rise to a minimum. The twin chamber ports guarantee that every last bit of usable gas is utilized to kill recoil. Machined from US Mil-spec AISI 4140 steel and black nitride coated to provide a lifetime of abuse. .image

Specifications for Stern Defense CB45 MOD1 Muzzle Device:

Manufacturer: Stern Defense
Color: Black
Finish: Black Nitride
Additional Features: Threaded .578-28

Features of Stern Defense CB45 MOD1 Muzzle Device

  • Full auto tested
  • US Mil-spec AISI 4140 steel.
  • Sturdy construction.
  • Black nitride coating
  • .45 CAL
  • THREADED .578-28
  • Notes:
  • All S.D. .40S&W barrels are threaded with .45 CAL threads (.578-28) to accept .45 CAL muzzle devices.
  • Comes with crush washer.

Package Contents:

  • Stern Defense CB45 MOD1 Muzzle Device

Stern Defense CB45 MOD1 Muzzle Device Orderable Models

List of Orderable Models

  • Stern Defense SD CB45 MOD1 Muzzle Device, Black , MPN: 003-SD CB45 MOD1-D1-M , Code: 3JS-BMB-SDMDCB45M1-003-SD-CB45-MOD1-D1-M
Compare (0)