Knights Armament 5.56 MCQ-1 Suppressor Blk - 119354-BLK

Engineered for operators who demand minimal length without sacrificing performance, the Knights Armament 5.56 MCQ-1 Suppressor delivers exceptional signature reduction in a compact package. This precision-crafted 5.56 suppressor integrates advanced Pressure Reduction Technology (PRT) to keep your platform maneuverable while effectively managing sound, flash, and back pressure during high-intensity use.

Key Features

• Compact Design – Overall length of just 4.43 inches adds only 3.85 inches to a bare muzzle or approximately 2.33 inches when paired with a QDC 3-prong flash hider, preserving rifle balance and handling in close-quarters environments.
• Pressure Reduction Technology (PRT) – Radial PRT-ported internals reduce back pressure and gas blowback, improving shooter comfort and maintaining reliable cycling on semi-automatic platforms.
• Durable Inconel Construction – Both the body and baffles are made from high-strength 718 Inconel for superior heat and corrosion resistance, ensuring long-term reliability under demanding tactical conditions.
• Quick-Detach (QDC) Mounting – Compatible with Knights Armament QDC muzzle devices for fast, secure attachment and repeatable point-of-impact shift.
• Minimal Signature Reduction – Achieves 154 dBA at 1 meter left and 143 dBA at the shooter’s ear while dramatically suppressing muzzle flash across multiple rounds.

Technical Specifications

• Mount Style: QDC Quick Detach
• Overall Length: 4.43 inches
• Caliber: 5.56mm NATO / .223 Remington
• Baffle and Body Material: 718 Inconel
• Baffle Style: Radial PRT-ported internals
• Finish: Black Oxide
• Weight: 13.9 oz
• User-Serviceable: No

Why Choose the Knights Armament 5.56 MCQ-1 Suppressor

Whether you’re running a short-barreled rifle for home defense, competition, or professional operations, this suppressor solves the common pain points of excessive length, added weight, and increased gas to the face. Its lightweight profile and low-profile design enhance weapon handling while delivering measurable reductions in sound and flash—critical for maintaining situational awareness. The non-serviceable construction and robust materials ensure it withstands high round counts without degradation.

Frequently Asked Questions

• Is the MCQ-1 compatible with standard AR-15 platforms? Yes, it mounts securely to any Knights Armament QDC muzzle device, making it ideal for most 5.56 NATO rifles and carbines.
• How much sound reduction can I expect? Independent testing shows approximately 154 dBA at 1 meter to the left and 143 dBA at the ear, providing effective signature reduction while preserving the compact footprint.
• Does it require a suppressor cover or shroud? While optional shrouds are available for added protection, the MCQ-1’s Inconel construction is designed for direct use in most environments.

Invest in the Knights Armament 5.56 MCQ-1 Suppressor today to experience professional-grade performance in a truly compact form factor.