PN 1002-RR: 6.5mm/6.8mm/.30cal Muzzle Brake
$80.00
For use with M4 and M16-type weapons (5/8” X 24 TPI, .905” OD). Made from 8620 steel with 60RC surface hardness and salt bath nitrited, corrosion-resistant finish. Not for use with SEI M4DC Sound Suppressor. Jam nut included.
Charles G Zellers –
I’ve got this on my .308 Bolt gun and it’s fantastic.