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Questions & Answers
What is the outer diameter of the SD RBC9 muzzle device?

1.2 inches in Diameter

by Stern Defense, Verified Owner, July 15, 2025
Additional Features:
Threaded .5-36
Condition:
New
Color:
Black

Code: 3JS-MD3-CDMDRBC9-003-SD-RBC9-D1-M

MPN: 003-SD RBC9-D1-M

UPC: 850001176118

List: $54.27Save 12%
$47.99

Product Info for Stern Defense SD RBC9 Muzzle Device

Designed to direct muzzle blast away from shooters. Which is especially helpful on short barreled rifles and pistols. Machined from 6061 aircraft grade aluminum billet and hardcoat anodized. 3.25 inches long and 1.2 inches in diameter.image

Note: Comes with crush washer.

Specifications for Stern Defense SD RBC9 Muzzle Device:

Manufacturer: Stern Defense
Gun Model: AR-15
Additional Features: Threaded .5-36
Condition: New
Color: Black
Fabric/Material: Hard-coat Anodized

Features of Stern Defense SD RBC9 Muzzle Device

  • 6061 aircraft grade aluminum.
  • Hard-coat anodized.
  • Sturdy construction.
  • Light weight construction.
  • 9mm
  • Threaded .5-36

Package Contents:

  • Stern Defense SD RBC9 Muzzle Device

Stern Defense SD RBC9 Muzzle Device Orderable Models

List of Orderable Models

  • Stern Defense SD RBC9 Muzzle Device, Black, 003-SD RBC9-D1-M , MPN: 003-SD RBC9-D1-M , UPC: 850001176118 , Code: 3JS-MD3-CDMDRBC9-003-SD-RBC9-D1-M
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