Description
The Griffin Armament SD‑QD Series M4SD Stealth Flash Hider (Part No. XHP556FH3P) is a precision-engineered muzzle device tailored for shooters seeking superior flash suppression and suppressor integration. Designed from 17‑4 PH stainless steel with a durable black nitride finish, this 3‑prong flash hider offers exceptional performance without the familiar “ping” resonance of older designs. It features a quick-detach (QD) silencer mount and includes shims and an over-travel stop washer for accurate timing. Pre‑drilled for safe pin‑and‑weld installation on 14.5″ barrels to meet 16″ NFA compliance, this flash hider also excels as a standalone flash-reducing compensator, reducing muzzle climb while maintaining stability.
Specifications
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Material: 17‑4 PH Stainless Steel, Black Nitride finish
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Length: 2.25″ (OAL)
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Weight: ~2.4 oz
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Diameter: ~0.863″
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Thread Pitch: 1/2×28 – AR‑15 standard (5.56mm/.223 Rem)
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Includes: Shim set, Over‑travel stop washer
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Compatibility: Griffin Armament M4SD, M4SD2, M4SDK, 30SD, 30SDK series suppressors; QD Blast Shield
