Home / Accessory-Flash Hiders / AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28 Sale! AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28$9999 Original price was: $9999.$8229Current price is: $8229. In stock AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2x28 quantity Add to cart 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 Sale! Yankee Hill Machine Company SHORT SRX FLASH HIDER 5/8-32 $8995 Original price was: $8995.$8381Current price is: $8381. Sale! Yankee Hill Machine Company FLASH HIDER PHANTOM QD 5.56 $10995 Original price was: $10995.$9840Current price is: $9840. Sale! SilencerCo ASR FLASH HIDER 5.56MM 1/2X28 $9400 Original price was: $9400.$8606Current price is: $8606.