The Rearden R2S Flash Hider in a heat-treated finish with a square shoulder is a Plan B flash hider from Rearden Manufacturing. It is made from 17-4 PH steel and measures 1.74 inches long. Rearden lists it as compatible with Atlas and Atlas XL adapters and Plan B mounts, so it works as the muzzle-device half of a Plan B suppressor setup. Rearden does not include shims, and notes your barrel may need a shim if the manufacturer did not cut a thread relief. It suits shooters building a Plan B setup who want the square-shoulder version.

Key Specifications

• The material is 17-4 PH steel, a tough precipitation-hardening stainless alloy.
• Overall length is 1.74 inches, per Rearden’s R2S specifications.
• The shoulder style is square, which indexes flat against the barrel shoulder.
• The finish is heat treated, one of the finish options Rearden offers on the R2S.
• It is compatible with Atlas and Atlas XL adapters and Plan B mounts, per Rearden.

Frequently Asked Questions

What does the Rearden R2S work with? Rearden lists the R2S as compatible with Atlas and Atlas XL adapters and Plan B mounts.

Does the R2S include shims? No. Rearden does not include shims, and notes that a barrel may require one if the manufacturer did not put a thread relief on it.

Buy the Rearden R2S Flash Hider, Heat Treated, Square Shoulder

Use an alignment rod to confirm the whole system is set up correctly, as Rearden advises. Order the R2S from Rearden Manufacturing‘s selection of AR muzzle devices and it ships fast from our Lubbock, Texas gun shop.