Home / Accessory-Flash Hiders / AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28 You cannot add "AAC (Advanced Armament) BLACKOUT FH 90T 7.62MM 5/8X24" to the cart because the product is out of stock. Sale! AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28$9999 $8229 Out of stock SKU: 64141 Category: Accessory-Flash Hiders Product ID: 43791 Description Description 51 Tooth QD Suppressor Mount Related products Sale! SureFire 3-PRONG FH 7.62MM 5/8X24 $9900 $9834 Sale! SureFire WARDEN BLAST RGLTR MULTI DE $25000 $22862 Yankee Hill Machine Company FLASH HIDER PHANT 5.56 SMOOTH $3695 Sale! Yankee Hill Machine Company SHORT SRX FLASH HIDER 11/16-24 $8995 $8381