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Questions & Answers
Does this product come with shims and rocksett? Expert Answer

The SureFire Suppressors Socom 4-Prong Flash Hider does come with shims and Rocksett.

by Hunter, Gear Expert, September 12, 2022
Does it fit the radical firearms 300 blackout?? Expert Answer

No, a 300 Blackout barrel will use a 5/8x24 thread, not 1/2x28. I would recommend the SureFire SOCOM 3-Prong 7.62mm Flash Hider, which can be found linked below:
https://www.opticsplanet.com/surefire-3-prong-warcomp-flash-hider-suppressor-adapter-7-62mm.html

by Ethan, Gear Expert, September 17, 2025
Customer Reviews
Helpful Positive Review Use with can by Andy, Verified Owner, October 14, 2024
Yes it is a 4 prong flash hider. Everyone at this point should know it makes a “ting” sound as the bullet exits the barrel. If that bothers you. Get something else. This muzzle device was developed to work in tandem with a surefire suppressor. I...
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2/2 found this helpful
Helpful Positive Review Surefire 4 Prong by Jay, Verified Owner, March 7, 2025
Arrived as expected. Works perfect and includes Rockset and all shins needed for install.
1/2 found this helpful
Helpful Positive Review It's a Surefire by Matty, Verified Owner, December 6, 2023
Got this for a shorty build I'm doing that I eventually plan on running suppressed. My preferred muzzle device is the Surefire Warcomp CTN, but without labyrinth seals, you'll have quite a bit of gas coming back at ya...4 tine should mitigate that! S...
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2/3 found this helpful
Helpful Positive Review Great Flash Suppressor by DefenderCJ21, Verified Owner, May 28, 2023
I am a huge Surefire fan. I was very excited to get my hands on a SOCOM 4 Prong Flash Suppressor. I have not shot it at night yet due to range restrictions so I can not speak on the flash suppression but the recoil impulse is flat and even. I am wait...
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1/1 found this helpful
Helpful Negative Review loud tuning fork sound by TEDNA1, December 2, 2023
When hitting metal targets it’s annoying cause you hear a double ting ting.
1/4 found this helpful
Most Recent Reviews Surefire flash hider by Chad, March 14, 2025
Very good quality. The only flash hider that I will ever buy is a surefire product.
Read All 8 Reviews
Color: Black Fabric/Material: Heat Treated Stainless Steel Weight: 3.9 ozCondition: New

Code: FS-BFH-SSFH-FH556RC-1-2-28

MPN: FH556RC-1/2-28

UPC: 084871318631

List: $199.00
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Product Info for SureFire Suppressors Socom 4-Prong Flash Hider

The exact flash hider that helped create the SureFire SOCOM legacyimage

Significantly reduces muzzle flash compared to a bare muzzle

Multiple bearing surfaces provide superior suppressor alignment

The FH556RC-1/2-28 flash hider for 5.56 mm weapon platforms is the exact flash hider that SureFire developed to dominate the most rigorous suppressor trial in military history and earn the USSOCOM suppressor contract. The four-tine design of these Flash Hiders significantly reduces muzzle flash typically greater than 99% compared to a bare muzzle delivering extreme signature reduction and rugged dependability. With multiple bearing surfaces that ensure proper suppressor alignment, the FH556RC-1/2-28 serves as a rock-solid mounting platform for any SureFire SOCOM Fast-Attach suppressor. Precision-machined from U.S. mill-certified stainless-steel bar stock, and heat-treated for added strength, it is highly resistant to gas and particle erosion, so you can depend on it to provide years of faithful service. SureFire flash hiders are individually inspected to ensure concentricity and alignment and covered by SureFires No-Hassle Guarantee.

Specifications for SureFire Suppressors Socom 4-Prong Flash Hider:

Manufacturer: SureFire
Color: Black
Fabric/Material: Heat Treated Stainless Steel
Weight: 3.9 oz
Condition: New

Features of SureFire Suppressors Socom 4-Prong Flash Hider

  • Key Attributes
  • Construction
  • Heat Treated Stainless Steel
  • Coating
  • Dlc Coating
  • Length
  • 2.6 In (6.4 Cm)
  • Weight
  • 3.9 Oz (110.5 G)

Package Contents:

  • SureFire Suppressors Socom 4-Prong Flash Hider

SureFire Suppressors Socom 4-Prong Flash Hider Orderable Models

List of Orderable Models

SureFire Suppressors Socom 4-Prong Flash Hider, Black, FH556RC-1/2-28 , MPN: FH556RC-1/2-28 , UPC: 084871318631 , Code: FS-BFH-SSFH-FH556RC-1-2-28

SureFire Suppressors Socom 4-Prong Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

USED, SureFire Suppressors Socom 4-Prong Flash Hider, Black, FH556RC-1/2-28 , MPN: FH556RC-1/2-28-EDEMO , Code: FS-BFH-SSFH-FH556RC-1-2-28-EDEMO-US-C
USED SureFire Suppressors Socom 4-Prong Flash Hider, Black, FH556RC-1/2-28, EDEMO3, Used, Condition Fair , MPN: FH556RC-1/2-28-EDEMO3 , Code: FS-BFH-SSFH-FH556RC-1-2-28-EDEMO3
USED SureFire Suppressors Socom 4-Prong Flash Hider, Black, FH556RC-1/2-28, EDEMO2, Used, Condition Fair , MPN: FH556RC-1/2-28-EDEMO2 , Code: FS-BFH-SSFH-FH556RC-1-2-28-EDEMO2
DEMO, SureFire Suppressors Socom 4-Prong Flash Hider, Black, FH556RC-1/2-28 , MPN: FH556RC-1/2-28-DEMO , Code: FS-BFH-SSFH-FH556RC-1-2-28-DEMO
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