The OSS Suppressors 556 QD Muzzle Brake is designed with a patented Torque Lock system that ensures your suppressor stays locked into place when installed without coming loose no matter how many rounds you put through it. This model has a 1/2×28 thread pattern that is compatible with HX-QD 556k, 556, 762, 762 Ti, and Magnum Ti suppressors.
Compatible with HX-QD 556k, 556, 762, 762 Ti and Magnum Ti suppressors
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