Dead Air Shim Kit — M18×1
Precisely time M18×1 muzzle devices with a three-thickness shim set. Always place the thickest shim on the barrel shoulder first.
- One notch (Qty 4) — 0.004" thick, ~36.6° rotation (~1/10 turn)
- Two notches (Qty 5) — 0.006" thick, ~54.9° rotation (~1/7 turn)
- No notch (Qty 1) — 0.060" thick, ~1.52 turns
Notes
- For M18×1 threaded barrels/muzzle devices
- Combine shims as needed to fine-tune timing
