Description
Some suppressors earn their reputation on a spec sheet. The SureFire SOCOM556-RC2 earned it by winning the most extensive suppressor trials the US military has ever run, then getting bolted onto M4 and Mk18 carbines for Special Operations Command. This second-generation version improves on the original with an upgraded front plate and refined baffle stack, and it carries all the traits that made the first one famous: brutal durability, consistent accuracy, and signature reduction that goes way beyond just sound.
Built Like the SOCOM Name Demands
The RC2 is precision machined from high-temperature Inconel alloy and stainless steel, then CNC laser welded into a package that shrugs off full-auto fire and short-barrel abuse. At 6.4 inches long, 1.5 inches in diameter, and 17 ounces, it keeps your rifle handy without turning the muzzle into a boat anchor. The black Cerakote finish holds up to heat and hard use. SureFire rates it for 5.56 and .223 rifles with barrels of 10 inches or longer, which covers everything from an Mk18 clone to a 20 inch rifle build.
Why the RC2 Runs Cleaner Than Most Cans
SureFire's internal venting design cuts back pressure, which means less gas blowback in your face, a tamer cyclic rate, and a rifle that stays cleaner and more reliable over high round counts. That matters most on short-barreled guns where gas problems get ugly fast. Flash performance is where this can really separates itself, suppressing visible flash by up to 99.3 percent over a bare muzzle with first-round flash all but eliminated. If you run night vision, that alone is reason to pick the RC2.
Fast-Attach Mounting and Repeatable Accuracy
The Fast-Attach system locks onto SureFire muzzle brakes, flash hiders, and WARCOMP devices in seconds with no tools, and it comes back off just as easily. Every RC2 leaves the factory test-fired to confirm sub-MOA group size and point of impact shift, so your zero stays your zero whether the can is on or off. Designed and built in the USA and backed by SureFire's reputation with military and law enforcement units worldwide, this is a suppressor you buy once and run hard for a very long time.
Key Specifications
- Caliber: .223 Rem / 5.56 NATO
- Length: 6.4 in
- Diameter: 1.5 in
- Weight: 17 oz
- Construction: High-temp Inconel alloy and stainless steel
- Finish: Black high-temp Cerakote
- Mounting System: SureFire Fast-Attach quick-detach
- Minimum Barrel Length: 10 in
- Full-Auto Rated: Yes
- Accuracy: Factory test-fired for sub-MOA POI shift and group size
- Flash Reduction: Up to 99.3% over bare muzzle
- Model: SOCOM556-RC2 (2nd Gen SOCOM)
- Manufacturer Part Number: SOCOM556-RC2-BK
- UPC: 084871324564
- Made In: USA
What’s Included
- SureFire SOCOM556-RC2 suppressor
- SFMB-556-1/2-28 muzzle brake suppressor adapter
Frequently Asked Questions
What mounts work with the SureFire SOCOM556-RC2?
The RC2 uses SureFire's Fast-Attach quick-detach system, so it locks onto any SureFire SOCOM-pattern muzzle device including SFMB muzzle brakes, SF3P three-prong flash hiders, and WARCOMPs. Attachment and removal take seconds with no tools. If you want to run it on multiple rifles, just put a SureFire mount on each host.
Can I run the SOCOM556-RC2 on a short-barreled rifle?
Yes, SureFire rates it for 5.56/.223 barrels down to 10 inches, and it was specifically selected by US Special Operations Command for the 10.3 inch Mk18. Its low back pressure design is a big plus on short barrels, where excess gas blowback and increased cyclic rates tend to cause the most trouble.
Is the SOCOM556-RC2 full-auto rated?
It is. The Inconel and stainless steel construction with CNC laser welding was built to survive military durability trials, including sustained full-auto fire. For a typical range or duty use schedule, this can will likely outlast the barrel it is mounted on.
Will adding the RC2 change my rifle's zero?
Every RC2 is test-fired at the factory to verify sub-MOA point of impact shift and group size, and that shift is repeatable. So while any suppressor moves your point of impact slightly, the RC2 returns to the same shift every time you remount it. Many owners simply zero with the can on and leave it there.




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