Home / Accessory-Flash Hiders / AAC (Advanced Armament) BLACKOUT FH 90T 5.56MM 1/2X28 View cart “SureFire 3-PRONG FH 5.56MM 1/2X28” has been added to your cart. Sale! AAC (Advanced Armament) BLACKOUT FH 90T 5.56MM 1/2X28$9999 $8229 Out of stock SKU: 64242 Category: Accessory-Flash Hiders Product ID: 59848 Description Description 90T SR Series Only Related products Sale! AAC (Advanced Armament) BLACKOUT FH 51T 7.62MM 5/8×24 $9999 $8229 Sale! SureFire MUZZLE BRAKE QD 338LAP 5/8X24 $19900 $18427 Sale! Yankee Hill Machine Company SHORT SRX FLASH HIDER 5/8-32 $8995 $8381 SureFire TRI-LUG QD M13.5X1LH RYDER MNT $6900