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Timing a muzzle brake means adding shims or a crush washer between the brake and the barrel so that it stops tight with its ports at the intended clock position. The RRD™ 360HD does not involve that, because its spec sheet lists "Requires Timing?: No." Thread, hand, and FaceMount or shoulder indexing are still specific to each rifle, and suppressor alignment is a property of the installed device and rifle. Parts in this post 360HD Plan B Taper Mount 360HD KeyMicro® 360HD X37 HUB Mount …