Pistol Caliber Flash Hider
Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. Pistol Caliber Flash Hider
Shipping & Returns
Shipping: All orders are shipped within 72 hours Monday - Friday 8am - 5pm PST
Any order containing a lower receiver will not be shipped until we receive a copy of your FFL. Once received regular shipping policies apply. Submit your FFL Here.
Returns: Quarter Circle 10 offers a 30 day return, refund and exchange policy. See Details.
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A2-style flash hider
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Disperses Muzzle Blast & Flash
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Lathe-turned for pistol caliber compatibility
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½-28 thread for 9mm barrels
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⅝-24 thread for old-style .40 and .45 barrels
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.578-28 thread for new-style .40 and .45 barrels
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Crush washer included
*Flash hider + crush washer (included) add approximately 1 3/8 (1.375)" beyond length of barrel.