Surefire SOCOM Muzzle Brake 5.56MM .5x28

List price: $149.00
$129.00
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SUR-SFMB-556-1-2X28
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Surefire SOCOM Muzzle Brake 5.56MM 1/2x28

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® suppressors, the SOCOM556-RC model having placed first in the most extensive and rigorous suppressor testing ever conducted by US Special Operations Command. 

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 to provide maximum protection under harsh environmental conditions and to facilitate cleaning even after extreme use. 

When used in conjunction with a SOCOM Series suppressor, the patent-pending design of the SFMB-556-1/2-28 provides multiple bearing surfaces to ensure superior suppressor alignment. 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. 

FITS: M4, M16 and variants wih 1/2-28 muzzle threads 

MOUNTS: All SureFire SOCOM Series 5.56mm/.223 caliber sound suppressors 

NOTE: SureFire SOCOM Series Fast-Attach sound suppressors and current-model muzzle brake/suppressor adapters and flash hider/suppressor adapters are not compatible with previous SureFire Fast-Attach sound suppressors, muzzle brakes, or flash hiders.

Features

  • Offset porting delivers greatly reduced recoil impulse and muzzle rise, so the weapon tracks straight back to keep you on target for faster shot-to-shot recovery
  • Multiple bearing surfaces for superior suppressor alignment
  • Precision machined from US mill-certified heat-treated stainless steel bar stock
  • High-precision single-point cut barrel threads for optimum thread interface
  • Inspected for all critical dimensions including concentricity and alignment
  • Pilot holes for tuning of muzzle brake and to pin-and-weld on short-barreled rifles
  • Black Ionbond DLC coating provides maximum protection against harsh environmental conditions and facilitates cleaning after extreme use
  • Serves as rock-solid mounting adapter for SureFire SOCOM Series sound suppressors
  • Labyrinth seals prevent carbon buildup on suppressor lock ring indexing system
  • Installation requires no permanent modifications for M4 / M16 / AR15 type weapons

Gun Laws & Restrictions

Ammunition, Magazines and other items are restricted in various jurisdictions throughout the United States. Please know the laws in your local jurisdiction. Dark Storm Industries will work with you to accommodate any legal purchase in these areas. Below are a few examples. Please contact us with any questions.

Ammunition

New York City - Ammunition order up to 200 rounds only. The buyer must provide a copy of their NYC Rifle / Pistol Permit before the order can ship. The easiest way to do this is simply photograph it with your Smart Phone and email it to info@dark-storm.com with your order number.

New York State - Ammunition may be ordered online BUT only for in-store pickup. Effective 30 days from when the NYSP puts their background check system online, you will need to provide any required information (TBD) and pass the background check to complete the transaction. If you are purchasing ammunition for a pistol you will need to show your NYS pistol permit.

Connecticut - For ammunition orders, the buyer must email a copy of their Connecticut pistol permit, eligibility certificate, long gun eligibility certificate or an ammunition certificate along with a valid form of identification in order to purchase ammunition. The easiest way to do this is simply photograph it with your Smart Phone and email it to info@dark-storm.com with your order number.

Stun Guns and Tasers

New York State - no sales to residents of New York City. All other counties are ok for retail or shipment.

Rifles & Magazines

Law Enforcement - If you are attempting to purchase a firearm or magazine in a jurisdiction where they are restricted to Law Enforcement Only, you will need to provide a copy of your law enforcement ID card before we can ship and if stated below, a letter authorizing the purchase for duty use on agency letterhead.

Below is a compilation of publicly available information to assist you in your purchases. The information contained herein should not be considered legal advise or any guarantee of legality. Customers should contact local law enforcement for clarification.

State DS-15 Type Mag Capacity LE Exempt Notes
California Fixed Mag, Featureless 10 Duty Use Only w/ Letter No .50 Caliber.  No DS-15 or DS-9 pistols.
Colorado Standard 15 Duty Use Only w/ Letter  
Connecticut Fixed Mag, Firearm (Non-NFA) 10 No Under 21 years old - 5 Rounds and 30" minimum length. Fixed Mag Pistols Allowed
Hawaii Standard 10   Fixed Mag Pistols Allowed
Illinois See Notes 10 No in Chicago,
Duty Use Only w/ Letter Elsewhere
Semiauto rifles prohibited in Aurora, Chicago or Cook County,
Fixed Mag only in City of Highland Park
Indiana Post Ban     Cities of Gary and East Chicago
Maryland HBAR, Standard 30 Yes DS-15 Lightning (Standard), other DS-15's HBAR Only. DS-9 and DS-10 Standard
Massachusets Post Ban, Fixed Mag 10 No Post Ban DS-9 only. DS-10 and DS-15 must be Fixed Mag
New Jersey Post Ban, Firearm (Non-NFA) 10 No Fixed Mag Pistols Allowed
New York Fixed Mag or
Featureless
10 (5 in NYC) Yes No DS-15's in NYC.  Fixed Mag Pistols varies by County.
Puerto Rico Post Ban Any Duty Use Only w/ Letter No Springfield XD, XD-M or XD-S Pistols
Washington DC Fixed Mag or
Featureless
10 Duty Use Only w/ Letter .50 BMG Prohibited

Returns and Defective Product

Your satisfaction is important to Dark Storm Industries. If you need to return a product, we will make every reasonable effort to satisfy you.

  • Proof of purchase is required for all returns. This is your printed register receipt for in store purchases or order # for online sales linked to your account.
  • Returns or exchanges must be processed within 30 days of purchase. All returns or exchanges must be in new, unused, sale-able condition unless it is defective.
  • There are no returns or exchanges on firearms, ammunition, body armor, stun guns, tasers, pepper spray, discontinued, or clearance items.
  • Training may be rescheduled without any additional fees, but it non-cancellable / non-refundable
  • A 20% restocking fee will apply to all order cancellations or changes. This includes delayed NICS transactions that are requested to be cancelled.
  • A $50.00 fee will be assessed on all NICS Deny Refunds.
  • Items with prices ending in "XX.77" are discontinued and/or clearance items
  • If you transfer in a firearm that is not compliant or you are unable to possess, the firearm will be shipped back at your expense. By attempting to transfer non-compliant guns, you will also forfeit your transfer fee. 
  • If you order a firearm that is NOT legal in your location, a 20% restocking fee will be assessed upon the order being refunded.

Please contact our customer service department via email at info@dark-storm.com or phone at 800-963-7700 to obtain an RMA # prior to shipping your item back to us.