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GDM® Muzzle Nut

Compact. Modular. Caliber-optimized.

The GDM® Muzzle Nut is a precision-machined interchangeable endcap designed to integrate seamlessly with GDM® 30 series and 46 suppressors — allowing shooters to optimize bore size for specific calibers while maintaining strength, alignment, and long-term durability.

Built from heat-treated 17-4 H900 stainless steel and finished in black nitride, it delivers reliable performance in a lightweight, field-serviceable design that increases the versatility of your suppressor across multiple hosts.

Why choose the GDM® Muzzle Nut?

  • Designed for GDM® 30 series and 46 suppressor platforms
  • Interchangeable endcap for multi-caliber optimization
  • Heat-treated 17-4 H900 stainless steel construction
  • Black nitride finish for corrosion and wear resistance
  • Maintains concentric bore alignment
  • Field-serviceable with standard 1/2″ wrench

Who it’s for:

Multi-caliber shooters | Suppressor owners running multiple hosts | High-round-count users | Field-serviceable setups

$77.99

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GDM® Muzzle Nut
$77.99
  • Precision Manufactured
  • Built To Last
  • Lifetime Defect Warranty

GDM® Muzzle Nut

The GDM® Muzzle Nut is part of the GDM® modular suppressor ecosystem — engineered to provide a serviceable, caliber-optimized endcap solution for GDM® suppressors.

Designed to fit all GDM® 30 Series and GDM® 46 suppressors, the Muzzle Nut allows shooters to tailor bore size to specific calibers while maintaining proper alignment and consistent point of impact across platforms.

Caliber Optimization & Serviceability

The GDM® Muzzle Nut enables quick caliber changes without requiring a new suppressor, making one can compatible with multiple rifles and cartridges.

In the rare event of an endcap strike, the Muzzle Nut can be replaced in the field using a standard ½” wrench — eliminating downtime and factory service delays.

System Integration & Compatibility

The GDM® Muzzle Nut installs directly into compatible GDM® suppressors and is available in multiple caliber options to support a wide range of host firearms.

Its compact length and lightweight design minimize added mass while maintaining a concentric bore interface for reliable accuracy and repeatable performance.

Manufactured In-House

Every GDM® accessory is:

  • Designed
  • Machined
  • Inspected
  • Packaged

In-house in Dayton, Ohio.

All GDM® accessories are backed by a lifetime defect warranty for added peace of mind.

Installation & Use Guidelines

Install the GDM® Muzzle Nut using proper torque specifications. Verify correct thread pitch prior to installation. Always confirm suppressor alignment before live fire.

Important Notices

  • Not compatible with non-GDM suppressors
  • Verify correct thread pitch before installation
  • Always confirm suppressor alignment prior to firing

Additional information

Model Name

GDM® Muzzle Nut
Item Length

0.75 inches
Item Weight

0.8 oz
Item Diameter

0.75 inches
Material

17-4 H900 Stainless Steel
Finish

Black Nitride
For Use With Series

GDM® 30 Series, GDM® 46
Caliber

.30, .350, .450, 5.56, 6 mm, 6.5 mm
Included Components

Muzzle Nut
Shipping Restrictions

This product can be shipped to any state in the United States.

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Compatibility & Fitment

Accessories are designed to integrate seamlessly with compatible suppressors and firearm platforms. Always verify thread pitch, mounting style, and caliber compatibility prior to purchase.

View Compatibility Guide

All GDM® accessories are precision-manufactured in-house in the USA and backed by a lifetime defect warranty.

Need help choosing? Our team is happy to assist before or after purchase.

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