SureFire SOCOM556-MINI4

SUREFIRE SOCOM556-MINI4 SUPPRESSOR - COMPACT 5.56 RIFLE SILENCER, INCONEL CONSTRUCTION

The SureFire SOCOM556-MINI4 is the fourth-generation evolution of the suppressor design that won SureFire the original USSOCOM contract, now engineered shorter, lighter, and more capable than its predecessors. At 5.5 inches overall, the MINI4 adds just 3 inches to your host rifle while delivering 100% Inconel superalloy construction, fourth-generation flow dynamics, and industry-leading flash suppression in a Fast-Attach package. A 60% reduced back pressure design cuts toxic gas at the shooter's face, improves cycling reliability, and delivers cleaner recoil management across the full firing cycle. Flash performance is rated for 10.3-inch and longer barrels, making it fully compatible with Mk18, CQBR, and other SBR configurations. If you are running a compact 5.56 rifle and need a combat-proven suppressor that handles sustained fire without compromise, the SOCOM556-MINI4 is built for exactly that role.

CAPITOL ARMORY'S OPINION

The SOCOM556-MINI4 is SureFire doing what SureFire suppressors are known for.  They designed the MINI4 for combat situations, focusing on what actually matters in war. Flash suppression is a priority. The Gen-4 core redesign achieves roughly a four-fold improvement in flash signature over the RC3.  The MINI4 allows shooters in low-light conditions to produce almost no visible flash and no sparking, unlike many titanium cans. Pair that with a claimed 60% reduction in back pressure over conventional designs, and you get a suppressor that keeps your rifle running cleaner, cycles more smoothly, and puts less gas in your face during aggressive schedules of fire. The MINI4 expanded barrel compatibility.  It's rated for 10.5" barrels, where previous variants were limited to 14.5-inch and longer barrels. Sound reduction sits at 142dB on a Mk18, which is honest but not class-leading. If raw decibel numbers are your top priority, there are quieter options out there. But if you're building a hard-use rifle that needs to perform in low-light conditions, run reliably under stress, and play nice with short barrels, the MINI4 should be on the table.

FEATURES

• Rated for 5.56 / .223
• S-curve gas path and revised front plate for improved flash suppression
• 60% reduced back pressure
• US-mil certified 100% Inconel superalloy construction
• Reinforced muzzle design for improved durability against physical impact
• 5.5" overall length, adds only 3" to the host rifle
• 1.5" in diameter
• 15 oz (425 g) in weight
• Flash performance rated for 10.3" and longer barrels
• Patented Fast-Attach system, compatible with existing SureFire SOCOM muzzle devices
• Machined and 3D-printed aerospace-grade components with CNC laser welding
• Cerakote finish, available in Black and Dark Earth
• 142 dB at the shooter's ear (10.3" barrel / M855)
• Diameter: 1.5 in (3.8 cm)
• Weight: 15 oz (425 g)
• Mount System: SureFire SOCOM Fast-Attach

WHAT'S INCLUDED

• SOCOM556-MINI4 Silencer

COMPATIBILITY

• SureFire SOCOM Flash Hider
• SureFire SOCOM Muzzle Brake
• SureFire WARCOMP