KGM R556 5.56mm NATO Stainless Steel QD Suppressor W/ 1/2x28 Muzzle Device

Overview

The KGM R556 QD Suppressor is a premium 5.56mm rifle suppressor engineered to meet and exceed SOCOM standards for durability, sound suppression, accuracy, and full-auto performance. Utilizing patented gas flow technology and KGM’s Adjustable Port End Cap (APEC), the R556 minimizes back pressure, reduces recoil and flash, and helps maintain exceptional point-of-impact consistency. Constructed from hardened stainless steel and laser welded for maximum durability, it is built to withstand years of demanding use.

Key Features

• Dedicated 5.56 NATO quick-detach suppressor
• Includes one 1/2x28 QD muzzle device
• Hardened stainless steel construction with laser-welded design
• Patented gas flow technology minimizes point-of-impact shift and enhances accuracy
• APEC (Adjustable Port End Cap) reduces recoil and lowers system back pressure
• Engineered to significantly reduce flash and sound signature
• Rated for demanding use, including full-auto firing schedules
• Durable Cerakote finish for corrosion and wear resistance
• Designed to minimize disruption to rifle cycling and reliability

Specifications

• Manufacturer: KGM Technologies
• Model: R-556QD
• Caliber: 5.56x45mm NATO
• Product Type: Quick-Detach Rifle Suppressor
• Thread Pitch: 1/2x28
• Mount Included: 1/2x28 QD 5-Port Muzzle Device
• Construction: Hardened Stainless Steel
• Finish: Matte Cerakote
• Diameter: 1.5”
• Length: 6.4” (without mount)
• Weight: 16.4 oz (without mount)
• Firearm Compatibility: 5.56 NATO Rifles

Applications

Ideal for tactical use, duty rifles, competition, training, and recreational shooting. The R556 is designed for shooters seeking reduced sound, flash, recoil, and point-of-impact shift while maintaining excellent firearm reliability and accuracy.

Additional Features

• Patented internal baffle system promotes consistent projectile stability
• Stoichiometric gas management technology minimizes visible muzzle flash
• Tunable APEC system allows users to optimize recoil reduction for their firearm configuration
• Reduced back pressure helps improve firearm performance during extended firing sessions
• Built to meet stringent military performance requirements for long-term durability