SDTA Plan B 17-4 SS Cyclone 2.0 1/2″ X 28 Black Nitride Muzzle Break

PLAN B 17-4 H900 SS CYCLONE 2.0

• 17-4 H900
• Available in either black nitride or heat treat finish
• Externally threaded to be compatible with “Q” plan B style mounts along with our Plan B mounts
• Compatible with Rearden Atlas, Q quickie mount, Diligent Defense Zilch, and others
• Compatible with Zilch HUB adapter
• 13/16 rear hex for easy install (no timing required)
• Rock solid lock up with front taper design
• minimal protrusion, perfect for small blast chambers
• Maximum recoil reduction

1/2×28 bore is .265

weight: 1/2×28 = 2.4 ounces 

** Forward protrusion past front taper is 0.83"