NEMO Arms Signature DC-1 Muzzle Brake .223/5.56mm 1/2x28 TPI Matte Bead Blasted Titanium. Gasses exiting the bore are obstructed and redirected to mitigate rearward movement. Twin top ports direct gasses upward to stabilize the firearm for rapid return to target. The DC-1 comes pre-drilled for pinning. Specifications for NEMO Arms Signature DC-1 Muzzle Brake: Manufacturer: NEMO Arms Color: Titanium Finish: Matte Bead Blasted Gun Make: AR Platform Gun Model: AR-10 Package Contents: NEMO Arms Signature DC-1 Muzzle Brake What firearm models does the manufacturer say NEMO Arms Signature DC-1 Muzzle Brake is compatible with? The manufacturer suggests that NEMO Arms Signature DC-1 Muzzle Brake is compatible with AR-10NEMO Arms NSP-556-MB-DCT: Signature DC-1 Muzzle Brake .223/5.56mm 1/2x28 TPI Matte Bead Blasted Titanium