Home / Accessory-Flash Hiders / AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28 You cannot add "Gemtech QUICKMOUNT 5.56MM CC FH 1/2-28" 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 Yankee Hill Machine Company FLASH HIDER PHANT 5.56 W/TEETH $3695 Yankee Hill Machine Company FLASH HIDER PHANT 5.56 SMOOTH $3695 Sale! SureFire WARDEN BLAST RGLTR MULTI DE $25000 $22862 Sale! SureFire WARDEN BLAST RGLTR MULTI BLACK $25000 $22862