Product Description Yankee Hill 440528 sRx Q.D. Flash Hider Long Black Phosphate Steel with 1/2-28 tpi, 9mm, 2.30 OAL & 9.375 Diameter for sRx Adapters Yankee Hill 440528 sRx Q.D. Flash Hider Long Black Phosphate Steel with 1/2-28 tpi, 9mm, 2.30 OAL & 9.375 Diameter for sRx Adapters at Hinterland Outfitters $80.75 Buy Now Check Price on Amazon Check Price on eBay