Cadex Defence, MX1 Micro Muzzle Brake, 5.56/223 Cal, 1/2X28 TPI

Cadex MX-1 Muzzle Break for calibers for .50 cal BMG available here in the USA

Precision Rifle Parts - Muzzle Devices - Cadex Defence

Muzzle Brake & Compensator - Rangeview Sports Canada

MX1 MUZZLE BRAKES – Cadex Defence

MX2-ST MUZZLE BRAKES – Cadex Defence

Cadex MX1 Micro Muzzle Brake for AR15, 1/2-28 for .223/5.56 - Black

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Arsenal Force. Searching for MR1

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Cadex muzzle break