- Suppressors Are Often Known For Their Recoil Mitigating Properties. The E-Brake From Dead Air Silencers Tames The Recoil Further By Acting As A Brake At The End Of Your Silencer. It’s A Quick And Simple Way To Add Even More Functionality To Your Silencer. Available In Two Different Widths, They Share The Same Front Cap Thread Pitch As Our Sandman Series, Nomad Series, Wolverine, And Wolfman. The Only Choice You Have To Make Is What Diameter You Want. The 1.735” Diameter Fits Flush With Our Nomad Series, While The 1.5” Diameter Is A Perfect Width For Our Sandman Series And Wolverine.