HUXWRX BLASTPHEMY BLAST DEFLECTOR W/FLASH HIDER 556 1/2X28 The Blastphemy kit includes one (1) Blastphemy and one (1) Flash Hider-QD 556 1/2x28. The blast deflector directs the blast forward, shielding the shooter and bystanders from overpressure and micro-concussions. It also functions as a thread protector for your muzzle device, making it perfect for shooting from cover or in the prone position. NOTE: The Blastphemy is NOT compatible with the Bannar or Comp-STS muzzle devices. Mfg: Huxwrx