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GDM® 30K Rifle Suppressor

Balanced. Versatile. Purpose-built.

The GDM® 30K strikes the ideal balance between compact size and enhanced suppression. Designed for shooters who want more sound reduction than the 30C without stepping into full-length territory, the 30K delivers excellent performance in a lightweight, modular package.

Why choose the GDM® 30K?

  • Balanced length-to-performance ratio for general-purpose use
  • Fusion- and laser-welded titanium keeps weight to just 11.5 oz
  • Universal HUB interface (1.375×24)
  • Serviceable muzzle nut system for long-term ownership
  • Includes muzzle nut, direct thread mount, and wrench

Who the 30K is for:

Balanced builds | General-purpose platforms | Performance-focused shooters

$934.99

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GDM® 30K Rifle Suppressor
$934.99
  • Made In the USA
  • NFA Compliant
  • Lifetime Defect Warranty

Compatible Accessories

NFA item. Compliance required. We assist throughout the process.

GDM® 30K Rifle Suppressor

The GDM® 30K is part of the GDM® 30 Series — a modular suppressor platform engineered to balance sound suppression, durability, weight, and mounting flexibility.

Manufactured entirely in-house at our family- and veteran-owned facility in Dayton, Ohio, the 30K is built for shooters who want a versatile suppressor capable of handling a wide range of applications without unnecessary bulk.

At approximately 6.5 inches long and 11.5 ounces, the 30K provides increased suppression over shorter configurations while maintaining excellent handling characteristics. Its HUB (1.375×24) interface allows compatibility with leading mounting systems, giving you freedom to configure your setup without proprietary limitations.

Independent third-party testing validates the GDM® 30 Series’ real-world performance.

Engineered for Durability & Performance

The GDM® 30K is constructed from fusion- and laser-welded 6Al-4V Grade 5 titanium, delivering exceptional strength while maintaining a lightweight profile. A DLC coating internally and externally enhances surface hardness and corrosion resistance for demanding environments.

The 30 Series is available in multiple lengths to support different mission profiles. The 30K is optimized for shooters seeking a balanced blend of suppression and compactness.

Interchangeable Muzzle Nut System

The GDM® 30 Series features an interchangeable muzzle nut system that allows caliber-specific optimization without replacing the entire suppressor.

  • Allows serviceability in the event of an end-cap strike
  • Includes .30 caliber muzzle nut (additional sizes available for purchase)
  • Removable using the included wrench
  • Also includes 5/8 x 24 direct thread mount (additional sizes available for purchase)

This system provides flexibility, longevity, and serviceability without compromise.

Manufactured In-House

Every GDM® suppressor is:

  • Designed
  • Machined
  • Welded
  • Assembled
  • Packaged

In-house in Dayton, Ohio.

All GDM® suppressors are backed by a lifetime defect warranty, ensuring long-term confidence in your investment.

Additional information

Model Name

GDM® 30K
Item Length

6.5 inches
Item Weight

11.5 oz
Item Diameter

1.612 inches
Material

Fusion- & Laser-Welded 6Al 4V Grade 5 Titanium
Finish

DLC
Mount Interface

1.375 x 24 HUB
Caliber Rating

.30 caliber and below
Included Components

.30 Cal Muzzle Nut, 5/8 x 24 Direct Thread, Suppressor, Wrench
Shipping Restrictions

Suppressors can only be shipped to an authorized FFL/SOT registered dealer. We cannot ship to the following states: CA, DC, DE, HI, IL, MA, NJ, NY, or RI.

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Caliber Compatibility & Use Cases

Wondering if this suppressor supports your caliber or barrel length?

Use our caliber compatibility guide to confirm supported calibers, pressure considerations, and platform recommendations before shooting.

View Caliber Compatibility Guide

Compare the GDM® 30 Series

Choose the .30 caliber suppressor that best matches your rifle, balance preference, and performance goals.

FeatureGDM® 30CGDM® 30KGDM® 30MGDM® 30L
Length5.75"6.45"8"9.5"
Weight10 oz11.5 oz15 oz18.5 oz
MaterialGrade 5 TitaniumGrade 5 TitaniumGrade 5 TitaniumGrade 5 Titanium
FinishDLCDLCDLCDLC
Suppression FocusCompactBalancedEnhancedMaximum
Mount InterfaceHUB (1.375×24)HUB (1.375×24)HUB (1.375×24)HUB (1.375×24)
Caliber Rating.30 caliber and below.30 caliber and below.30 caliber and below.30 caliber and below
Supported Platforms.300 Win • .308 Win • .300 BLK • .300 PRC • 6.5 Creedmoor • 5.56 NATO • 6mm ARC • 7mm PRC • similar rifle calibers.300 Win • .308 Win • .300 BLK • .300 PRC • 6.5 Creedmoor • 5.56 NATO • 6mm ARC • 7mm PRC • similar rifle calibers.300 Win • .308 Win • .300 BLK • .300 PRC • 6.5 Creedmoor • 5.56 NATO • 6mm ARC • 7mm PRC • similar rifle calibers.300 Win • .308 Win • .300 BLK • .300 PRC • 6.5 Creedmoor • 5.56 NATO • 6mm ARC • 7mm PRC • similar rifle calibers
Ideal UseShort-barrel / weight-SensitivePerformance / General purposeMid-length / PrecisionBolt / Hunting
Balance PriorityMinimal lengthVersatilitySuppression vs balanceMaximum suppression
.30 Cal Muzzle Nut✓✓✓✓
5/8 x 24 Direct Thread✓✓✓✓
Made In-House (USA)✓✓✓✓
Lifetime Defect Warranty✓✓✓✓

Which GDM® .30 Cal Suppressor Is Right for You?

Choose based on size, balance, and suppression priority.

GDM® 30C

Choose this if you want:

  • The shortest possible suppressor
  • Minimal added length
  • Lightweight titanium performance

Best for:

Compact builds • Short barrels • Weight-sensitive setups

View 30C

GDM® 30K

Choose this if you want:

  • The best balance of size and performance
  • A versatile suppressor for multiple platforms
  • Everyday suppressed shooting

Best for:

Balanced builds • General-purpose platforms • Performance-focused shooters

View 30K

GDM® 30M

Choose this if you want:

  • Noticeably improved sound suppression
  • A mid-length configuration
  • Better suppression without full-length bulk

Best for:

Precision rifles • Mid-length barrels • Suppression-focused builds

View 30M

GDM® 30L

Choose this if you want:

  • Maximum suppression performance
  • The longest and quietest option
  • Reduced blast and tone priority

Best for:

Bolt guns • Hunting rifles • Maximum suppression setups

View 30L

All GDM® suppressors 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.

Suppressors are regulated items and must be transferred through an authorized Class 3 FFL / SOT dealer.

  • Suppressors cannot be shipped to a personal residence
  • Enter your selected FFL / SOT dealer’s address at checkout
  • Orders may be canceled if a residential address is entered

We do not ship suppressors to: CA, DC, DE, HI, IL, MA, NJ, NY, RI

Always verify caliber compatibility, barrel length requirements, and firing schedule limits before use. Improper use may result in damage, injury, or voided warranty.

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