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Questions & Answers
Does it come with a crush washer? Expert Answer

The SureFire 3-Prong Flash Hider Suppressor Adapter will include a pack of shims needed to properly time the muzzle device.

by Ethan, Gear Expert, September 17, 2024
Will this fit on a diamond back rifle? Expert Answer

The SureFire 3-Prong Flash Hider Suppressor Adapter will fit any Ar15 platform rifle that uses 1/2x28 threads and is chambered in .223 or 5.56.

by Ethan, Gear Expert, September 25, 2023
Customer Reviews
Helpful Positive Review
Great product by Jorge Julia, Verified Owner, January 11, 2025
Tool Preparation: Get a thin 3/4-inch wrench or a crow's foot wrench for torquing. You might need to file the inside of the wrench to ensure it fits properly. Rewiring: Rewire the components to ensure proper functionality. Clocking Adjustments: Use...
Read More...
2/2 found this helpful
Helpful Positive Review
Great product by Tony, Verified Owner, February 8, 2025
I have been using OpticsPlanet for a while now. My go to for gun supplies and builds. This flash hider was used with my suppressor. No issues.
1/1 found this helpful
Helpful Positive Review
easy swap from old muzzle device by GEBS, Verified Owner, October 2, 2024
Got this to pair with sure fire suppressor. Works great and it was an easy swap.
1/1 found this helpful
Helpful Positive Review
Surefire 3 Prong by Jesse Owens, Verified Owner, February 11, 2024
The SureFire 3 Prong Flash Hider works great, excellent quality, and made in the USA.
1/1 found this helpful
Most Recent Reviews
Excellent Fit, Performance, and SureFire Quality by RYAN, Verified Owner, December 30, 2025
The SureFire 3-Prong Flash Hider Suppressor Adapter in 5.56mm lives up to the brand’s reputation for precision and durability. Fit and finish are outstanding, with excellent machining and a rock-solid feel once mounted. Materials and construction fee...
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Most Recent Reviews
best suppressor connection by Brian Lau, Verified Owner, October 28, 2025
Just my opinion, the Surefire RC2 is still the king. Not the quietest. Not the smallest. Not the lightest. Still has back pressure. But does what a suppressor should. Virtually no signature and is completely reliable. The 3 prong is a solid connectio...
Read More...
Read All 9 Reviews
Color:
Black
Caliber:
5.56x45mm NATO
Finish:
Matte black DLC coating
Fabric/Material:
US mill-certified heat-treated stainless steel
Threads per Inch:
1/2x28
Gun Make:
AR Platform
Gun Model:
M4, M16
Length:
2.67 in
Included Accessories:
Suppressor Adapter
Condition:
New

Code: FS-BFH-SF3P1-SF3P-556-1-2-28

MPN: SF3P-556-1/2-28

UPC: 084871319119

List: $169.00
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ATTENTION! We currently do not ship this product to CA, IL, NY, WA , and U.S. Territories. Please see our policies for more information.

Product Info for SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads

SureFires advanced SF3P three-prong flash hiders deliver superior performance with a patented design that greatly reduces muzzle flash typically more than 99%. Available for use with a variety of rifle calibers and muzzle thread specs, they are precision machined from U.S. mill-certified heat-treated stainless steel bar stock and DLC-coated to resist erosion for consistent high performance. SF3P flash hiders feature robust tines built to withstand the rigors of combat, and every SF3P is carefully inspected for concentricity and alignment, ensuring a rock-solid mounting surface for SureFire SOCOM Series Fast-Attach suppressorsimage

WARNING: California`s Proposition 65

Specifications for SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads:

Manufacturer: SureFire
Color: Black
Caliber: 5.56x45mm NATO
Finish: Matte black DLC coating
Fabric/Material: US mill-certified heat-treated stainless steel
Threads per Inch: 1/2x28
Gun Make: AR Platform
Gun Model: M16, M4
Length: 2.67 in
Included Accessories: Suppressor Adapter
Condition: New

Features of SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads

  • Patent-pending design provides more than a 99% reduction in flash
  • Multiple bearing surfaces provide superior suppressor alignment and prevent ringing of tines inside suppressor
  • Made from, heat-treated stainless steel that is highly resistant to corrosion and gas/particle erosion
  • High-precision single-point cut barrel threads create optimum thread interface
  • Inspected for all critical dimensions including concentricity and alignment
  • 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 mitigate gas leak from suppressor lock ring
  • Installation requires no permanent modifications to most weapons
  • Mounts all SureFire SOCOM Series sound suppressors

Package Contents:

  • SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads

SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads Orderable Models

List of Orderable Models

  • SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28 , MPN: SF3P-556-1/2-28 , UPC: 084871319119 , Code: FS-BFH-SF3P1-SF3P-556-1-2-28

SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2x28 Threads Unavailable & Discontinued Models

List of Unorderable Models

  • USED, SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28 , MPN: SF3P-556-1/2-28-EDEMO , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-EDEMO-IN-C
  • DEMO, SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28 , MPN: SF3P-556-1/2-28-DEMO , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-DEMO
  • USED, SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28 , MPN: SF3P-556-1/2-28-EDEMO , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-EDEMO-US-C
  • USED SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28, EDEMO3, Condition Fair, Other , MPN: SF3P-556-1/2-28-EDEMO3 , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-EDEMO-OT-D
  • USED SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28, EDEMO2, Used, Condition Fair , MPN: SF3P-556-1/2-28-EDEMO2 , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-EDEMO2
  • USED SureFire 3-Prong Flash Hider Suppressor Adapter 5.56mm, M16/AR 1/2-28 Threads, SF3P-556-1/2-28, EDEMO4, Condition Fair, Used , MPN: SF3P-556-1/2-28-EDEMO4 , Code: FS-BFH-SF3P1-SF3P-556-1-2-28-EDEMO-US-D
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