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NOTICE (CA AB 1263 compliance): It is generally a crime in California to engage in any of the following conduct without a valid license to manufacture firearms: (A) Manufacturing more than three firearms per calendar year in California. (B) Manufacturing a firearm using a three-dimensional printer or CNC milling machine. (C) Manufacturing a firearm for the purpose of selling or transferring ownership of that firearm to another individual who is not licensed to manufacture firearms. (D) Manufacturing a firearm for the purpose of selling, loaning, or transferring that firearm, with the intent to complete the sale, loan, or transfer without a required background check initiated by a licensed firearms dealer. (E) Allowing, facilitating, aiding, or abetting the manufacture of a firearm by a person who is legally prohibited from possessing firearms. (F) Manufacturing, or causing the manufacture of, assault weapons, machineguns, undetectable firearms, unserialized firearms, unsafe handguns that are not on the Department of Justice roster of handguns certified for sale in California, or other generally prohibited weapons.
The advanced SureFire SFMB-556-1/2-28 muzzle brake, which fits M4 / M16 weapons and variants with 1/2-28 muzzle threads, greatly reduces both recoil impulse and muzzle rise so that the weapon tracks straight back to keep you on target for faster shot-to-shot recovery. Its patented Impulse Diffusion design minimizes side blast and rear-directed concussion effects. The SFMB-556-1/2-28 also serves as a rock-solid mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach(R) suppressors. Precision machined from US mill-certified heat-treated stainless steel bar stock-including high-precision single-point cut threads for optimum thread interface-the SFMB-556-1/2-28 muzzle brake is given a black Ionbond DLC coating. A rear labyrinth seal minimizes potential carbon buildup in the indexing system and facilitates suppressor removal after extended firing. All SureFire SOCOM Series muzzle brakes have blind pilot holes at the 3 and 9 o'clock position to enable fine-tuning of recoil characteristics for individual shooting styles or ammunition characteristics. They also have blind pilot holes at the 6 o'clock position to enable indexing the adapter at bottom dead center, and to pin-and-weld on short-barreled rifles. All that is required is a basic hand drill and appropriate drill bits. SureFire muzzle brakes are individually inspected for concentricity and alignment, and each is covered by SureFire's No-Hassle Guarantee.
- Black Ionbond DLC coating
- Installation requires no permanent modification
- Made from heat treated stainless steel bar stock
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WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms or handling ammunition or components may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm, including: Lead, Hexane, Isopropyl Alcohol, Ammonium Hydroxide, Ethyl Alcohol, Kerosene, Oleic acid, and other substances, from direct contact and inhalation. Have adequate ventilation at all times. Wash hands thoroughly after exposure. For more information go to www.P65Warnings.ca.gov
