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LanTac 1/2×28 Stingray 556NATO – Black
LanTac USA LLC Stingray Nonlinear Compensator1/2-28 Thread PitchNitride FinishBlackFeatures:Caliber: .223/ 5.56mmMaterial: AISI4140, Hardened 48-52RcThread: 1/2-28 UNEF R/HComes with crush washer for correct timing of the device