Home / Accessory-Flash Hiders / AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28 View cart “Yankee Hill Machine Company SHORT SRX FLASH HIDER 5/8-32” has been added to your cart. Sale! AAC (Advanced Armament) BLACKOUT FH 51T 5.56MM 1/2×28$9999 Original price was: $9999.$8229Current price is: $8229. Out of stock SKU: 64141 Category: Accessory-Flash Hiders Product ID: 43791 Description Description 51 Tooth QD Suppressor Mount Related products Sale! Yankee Hill Machine Company SHORT SRX FLASH HIDER 5/8-24 $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. SureFire TRI-LUG QD 1/2X36 RYDER MOUNT $6900 Sale! SilencerCo ASR 9MM FLASH HIDER 1/2X28 $9400 Original price was: $9400.$8606Current price is: $8606.