• Post category:Flash Hiders
  • Post last modified:August 1, 2022
  • Reading time:22 mins read

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Best 308 Flash Hiders

During night firing or in bad light conditions, clear vision is very important for shooters. Flash hiders are worth mounting on the rifle, as they help keep good visibility and fast reaction.

While upgrading the firearm with a flash hider, note there are two types of their operation: either redirecting the burning gasses through holes or slots in a muzzle device or concealing the flash signature.

Why Do We Need 308 Flash Hider?

The flash hiders provide the shooters with minimal flash while shooting, improving visibility and reducing the shooting smoke. They can also slightly soften recoil but are not as efficient as compensators.

Best Pick

Guntec USA Slim Line Micro Cone Flash Can

Guntec USA Slim Line Micro Cone Flash Can

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The Stylish Micro Cone Flash Can push the flash forward, performing flawlessly. It’s compatible with AR15 pistols and many Slimline thin free-floating handguards. Due to the closed bottom, this flash can is suitable for shooting in a prone position.

Top 18 308 Flash Hiders

#1 Guntec USA AR-10/LR-308 Birdcage Flash Hider

Guntec USA AR-10/LR-308 Birdcage Flash Hider

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Specification

Caliber: .308 Caliber
Threads per Inch: 5/8×24
Gun Model:AR-10
Length: 1.5 in
Diameter: 0.8 in

This Mil-Spec BirdcageFlash Hider (type A2) is designed with a closed bottom for the AR-10 guns, Gen 2. The Guntec Flash Hiders are crafted from steel and with a Phosphate finish in Black, come without a crush washer.

Pros
  • Made in the USA

  • All-steel construction

  • Top-notch finish

  • Great for prone shooting due to the closed bottom construction

  • Stylish design

  • Decent price

Cons
  • None yet

#2 Strike Industries Venom Muzzle Flash Hider

Strike Industries Venom Muzzle Flash Hider

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Specification

Caliber: .308 Caliber, 7.62x51mm NATO; .223 Caliber

The flash hiders ensure prompt diffusion of firing smoke, which blows up from the barrel and almost fully eliminates muzzle flash, delivering decent vision in low light conditions or at night. The flash hider is long enough to make a 14-in Barrel 16 with a pre-drilled hole for pin and welding. These muzzle devices don’t need timing and a crush washer, but it comes with the kit anyway (15-20 ft-lbs is suitable torque). The flash hiders can be combined with a blast shield.

Pros
  • Almost 100% exclusion of the muzzle flash due to the creation of instant air flow to eliminate gas combustion

  • Ensures quicker follow-up shots and better situational perception in low light conditions

  • Mitigates recoil

  • Reasonable price

  • Well-made with a durable finish

  • Aggressive and custom design due to four prongs with serrated points

  • Prongs on the brake end protect the muzzle crown as well

  • No modifications are needed to the rifle for installation

  • Wire-Cutter Capable

Cons
  • Makes a loud tuning fork noise while charging the firearm

#3 Guntec USA Spartan Flash Hider

Guntec USA Spartan Flash Hider

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Specification

Caliber: .308 Caliber
Threads per Inch: 5/8×24
Length: 1.5 in
Diameter: 0.8 in
Gun Model: AR-10

The AR-10/LR-308 Spartan Flash Hider with multi-porting holes and machined knurled grooves provides dependable performance and sturdiness. The Guntec USA muzzle devices are manufactured from solid Aluminum (T6) with a Nitride finish. The Flash Hiders come with a crushed washer.

Pros
  • Breaching standoff: aggressive construction with door breaching spikes

  • New just-released design

  • Sufficient decrease of muzzle flash and recoil

  • Easy to install and maintain

Cons
  • None yet

#4 SureFire 3-Prong Flash Hider w/Suppressor Adapter

SureFire 3-Prong Flash Hider w/Suppressor Adapter

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Specification

Caliber: 7.62x51mm NATO (.308 caliber); 5.56x45mm NATO; .50 Caliber
Gun Model: AR-10, DPMS LR-308, M240 Machine Gun; FN MK46, M4/ M16; Browning
Length: 2.84 in, 3.05 in, 3 in; 2.78 in, 2.67 in; 6.1 in
Threads per Inch: 1/2×28, 5/8×24

The Flash Hider features a patent-pending design with three prongs to minimize muzzle flash. The SureFire muzzle devices are precisely machined from Stainless Steel bar stock with a Black Ionbond DLC finish to deliver reliable protection under severe environmental conditions.

The flash hiders are holed for pin and welding and outfitted with a rear seal that reduces potential carbon buildup in the indexing system, allowing easier suppressor removal after the long shooting. No modification is needed while mounting many 7.62 mm rifles (with 5/8-24 muzzle threads). These muzzle devices are good for low or limited-light conditions in team environments. The flash muzzles come with the Spacer Kit (Shim), Rock-sett, and tread-lock installation instructions.

Pros
  • Heat-treated stainless steel (US mill-certified)

  • Comfortable suppressor adapter

  • No pinging

  • Reliable operation

  • Quick and convenient attachment to any of the Surefire Socom suppressors

  • Aesthetically pleasing: mean look

  • Ideal thread interface due to the high-precision single-point cut threads

  • Installs up readily and is timed easily

Cons
  • California’s Proposition 65

  • A bit confusing instruction for suppressor and shimming tightening

#5 Guntec USA Ribbed Birdcage Flash Hider

Guntec USA Ribbed Birdcage Flash Hider

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Specification

Threads per Inch 5/8×24
Gun Model: AR-10
Model Generation: 2
Length: 1.5 in
Caliber: .308 Caliber
Diameter: 0.8 in

These second-Generation Flash Hiders are manufactured from steel and covered with Black Nitride. The A2 CAGE-308-G2 muzzle device is engineered for AR-10 rifles. The A2 type Mil-Spec Ribbed Birdcage all-steel construction features a closed bottom.

Pros
  • Made in the USA

  • Stylish design

  • Top-notch matte finish

  • Not loud

  • Affordable price

Cons
  • None yet

#6 Manticore Arms Eclipse Flash Hider

Manticore Arms Eclipse Flash Hider

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Specification

Caliber: .308 Caliber
Length: 2.25 in
Weight: 3.6 oz
Threaded 24 mm
Diameter: 24 mm

The Flash Hiders are designed for the .308- and 7.62-mm caliber cartridge; it’s not recommended to use these devices with larger calibers. The Eclipse Flash Hider is equipped with a bit twisted three-prong construction to diminish flash at low light conditions. “MA” and “30” marks are on the Flash Hiders surface.

Pros
  • Multiple detent notches allow great further thread down contact

  • Reliable material: steel (8620) with Rockwell 50C heat-treated

Cons
  • Not rated yet

#7 Yankee Hill Machine Phantom Aggressive Compensator Flash Hider

Yankee Hill Machine Phantom Aggressive Compensator Flash Hider

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Specification

Threads per Inch 5/8×24
Caliber: .308 Caliber

The Phantom 7.62compensator/Flash Hider is outfitted with an Aggressive Front End, 5 ports, and blind bottom without holes to exclude dust problems while firing in the prone position. The tactical two-in-one muzzle device is developed as a muzzle compensator while saving great flash hiding.

Pros
  • Made in specialized factories

  • Comes with a crush washer

  • Convenient for prone shooting, as there are no facing-down ports, eliminating dust issues

  • Works great on an 18-in AR-10 barrel for a 308

  • Good price

  • Simple, not flashy

  • Easy to install

  • Minimal flash even with the .308 fireball

  • Great aggressive bezel Great machine work

Cons
  • Not yet

#8 Guntec USA Slim Line Micro Cone Flash Can

Guntec USA Slim Line Micro Cone Flash Can

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Specification

Caliber: .308/ 300 AAC Blackout
Threads per Inch: 5/8×24
Diameter: 1.25 in
Gun Model: AR-10
Length: 3.5 in
Weight: 3.4 oz

The Micro Cone Flash Can pushes Flash forward, fitting perfectly on AR15 pistols. There are 2 models available in Flat Dark Earth or Black colors.

Pros
  • Looks great

  • MicroVersion

  • SturdyAluminum Body (T6)

  • Performs flawlessly

  • Compatible with many Slimline thin free-floating handguards

  • Closed bottom, no downward ports, good for prone shooting

Cons
  • Not yet

#9 LANTAC Dragon SilencerCo Muzzle Brake

LANTAC Dragon SilencerCo Muzzle Brake

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Specification

Caliber: .308 Caliber, 7.62mm Caliber
Threads per Inch: 5/8×24

This Muzzle Brake is designed with SilencerCo ASR Quick Mount Suppressor Adapter. The DGN762B-ASR features a unique Short Energy Pulse system due to which repeating shot energy cannot overlap and knock the shooter off target, delivering recoil length mitigation.

The Advanced Muzzle device is precision machined and hardened to 48Rc. This Blast Mitigation Device doesn’t work with the BMD and should be used with Rocksett thread locker (not included).

Pros
  • Unique Short Energy Pulse system allows decreasing the length of recoil

  • Corrosion-resistant Nitride finish

  • California legal, as it isn’t considered a flash hider

  • The rifle shoots accurately with quick follow up

  • While shooting prone, a face isn’t full of dust

  • A patented gas handling system diminishes muzzle rise and recoil to zero (shooters feel only the carrier and buffer movement inside the buffer tube)

  • Includes an appropriate shim set for timing the brake/ mount

  • The Muzzle Brake is awesome

  • Performs well without the can on

  • Helps mitigate muzzle rise with 2 holes drilled on the top, directing the spent gas

  • Excellent design

  • High-quality construction and materials

  • All shots fall on target even during full auto-fire

Cons
  • The shims aren’t wide enough, deformed and extruded out, upon tightening down to torque spec. Their inner diameter is too large, and the outer one is too small

#10 Guntec USA Centurion Flash Hider

Guntec USA Centurion Flash Hider

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Specification

Caliber: .308 Caliber
Gun Model: AR-10
Threads per Inch: 5/8×24
Length: 1.5 in
Diameter: 0.8 in

The Flash Hiders CENT-308 are developed with Multi Porting Holes. These Guntec USA muzzle devices feature a recoil diminishing compensation. The flash hiders are made of strong Aluminum (T6), covered with a Nitride finish.

Pros
  • Made in the USA

  • New Just-Released construction

  • Easy installation

  • Aggressive design due to the Door Breacher Spikes

Cons
  • Not Yet Rated

#11 GUNTEC USA Predator Flash Hider

GUNTEC USA Predator Flash Hider

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Specification

Caliber: .308 Caliber
Threads per Inch: 5/8×24
Weight: 2.0 oz
Length: 1.5 in
Diameter: 0.8 in

The Guntec USA Flash Hiders are well-functional and sturdy devices for AR-10 and LR-308 with an A2 Design of the Bottom Half Closed. These muzzle devices are crafted of solid steel with a Black Nitride finish.

Pros
  • Made in the USA

  • High-quality surface with a sturdy finish

  • Stylish design

  • Operates flawlessly: significant muzzle flash and recoil decrease

  • Easy to install

  • Affordable price

Cons
  • This version is safe for 5-year-olds, with all the tips ground off

#12 Grovtec US Inc G-Nite Flash Suppressor

Grovtec US Inc G-Nite Flash Suppressor

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Specification

Caliber: .308 Winchester, 7.62x51mm NATO
Threads per Inch: 5/8×24
Gun Make: Universal

The Flash Suppressor is designed for barrels with 5/8 in-24 TPI thread and bored for .308 Caliber. These muzzle devices feature solid steel construction, covered with a Black Nitride finish. The Flash Suppressor chills gasses and puts down effectively the flash signature.

Pros
  • Sturdy steel construction

  • Effective flash suppression

Cons
  • California’s Proposition 65

#13 GUNTEC USA Claw Multi-Prong Flash Hider

GUNTEC USA Claw Multi-Prong Flash Hider

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Specification

Caliber: .308 Caliber / 300 BLACKOUT
Threads per Inch: 5/8×24
Gun Model: AR-10
Length: 3.5 in
Diameter: 1.45 in
Weight: 2.4 oz

The Claw Multi-Prong Flash Hider features a recessed counterbore to install flush with a 15-in handguard (with a 16-in barrel). This Rifle Application is manufactured from Aluminum (T6) with Black Anodized Finish.

Pros
  • Lightweight rifle addition

  • Claw Style Door Breacher

  • Modern design

  • Durable Aluminum Construction

Cons
  • Not Yet Rated

#14 Dark Storm Industries Competition Compensators

Dark Storm Industries Competition Compensators

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Specification

Caliber: .308 Caliber, 7.62mm Caliber
Threads per Inch: 5/8×24

The Compensator is developed for .308, 7.62, 6.5 Creedmoor, and .300 Blackout Caliber rifles with 5/8-24 right-hand threaded barrels. The muzzle device is crafted from durable Stainless Steel. The Compensator body consists of two angled Top Ports, coming from Expansion Chamber, two Side Baffles with two Vertical Top Ports from them, and a pilot hole (for pin and weld) for short barrel rifles. Two models are available in Blueor Silver colors.

Pros
  • Great for Competition shooting

  • California legal, as it isn’t considered a flash hider

  • Significantly mitigates Muzzle Climb and Recoil

  • Construction with Expansion Chamber

  • Manufacturing meets the Highest Quality Standards

Cons
  • Not Yet Rated

#15 BROWNELLS – AR 308 FLASH HIDERS

BROWNELLS - AR 308 FLASH HIDERS

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Specification

Caliber: 30 Caliber (.308)
Threads: 5/8-24

The Brownells line is presented with AR 308 Flash Hiders that combine clean, classical design, and efficient flash suppression. The .308 AR Hiders are available in a closed tine version. The muzzle devices are crafted of carbon steel and covered with a Black QPQ finish.

Pros
  • Perfect for .308 rifles, 6.5mm Creedmoor, .243 Winchester, etc. (clearance hole: .320 in)

  • Sturdy QPQ finish

  • Fashion-looking

  • Significant flash suppression

Cons
  • Not yet

#16 SUREFIRE – AR-308 WARCOMP FLASH HIDER

SUREFIRE - AR-308 WARCOMP FLASH HIDER

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Specification

Caliber: 30 Caliber (.308)
Threads: 5/8-24

The main functions of these flash hiders are: flash signature diminish that allows shooters to hide their location, saving the dark-adapted vision; minimization of muzzle rise to improve monitoring target reaction; serving as a strong installing adapter for all SureFire SOCOM Series 7.62 mm Fast-Attach suppressors.

The flash hider is compatible with 7.62 (.308 caliber) rifles with 5/8-24 muzzle threads.

Multiple bearing surfaces deliver suppressor alignment and prevent tines from ringing inside the suppressor. SureFire SOCOM Series flash hider adapters don’t fit previous (non-SOCOM) SureFire Fast-Attach sound suppressors, muzzle brakes, or flash hiders.

Pros
  • SureFire warranty

  • Patent-pending design

  • US-made

  • 99% decrease in muzzle flash compared to a plain muzzle

  • A stable muzzle helps shooters stay on target for faster follow-up shots

  • Precision machined from US Mill-certified heat-treated long-lasted Stainless steel

  • Comes with several crush washers to lock the device in the correct position, and even cement

  • Accurate single-point cut threads for optimum thread interface

  • No permanent modifications to a firearm while mounting

  • All critical dimensions (concentricity, alignment, etc.) are individually inspected

  • Labyrinth seals prevent carbon buildup on the suppressor lock ring indexing system

  • The Ionbond DLC coating ensures easy cleaning and high protection even during extreme use

Cons
  • A bit expensive

#17 SILENCERCO – AR-15/AR 308 ASR FLASH HIDER

SILENCERCO - AR-15/AR 308 ASR FLASH HIDER

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Specification

Caliber: 30 Caliber (.308)
Threads: 5/8-24

The Steel flash hiders are engineered for AR-15 rifles. The flash hiders with three prongs fit the Hybrid, Omega, Saker, Specwar, Harvester Big Bore l mounting system.

Pros
  • One hand on, one hand off attachment/ detachment

  • The patent-pending resonance suppression effectively eliminates the tuning-fork effect, which is common with other competing 3-prong flash hiders

Cons
  • Not rated yet

#18 RADICAL FIREARMS – AR 308 THREE PRONG FLASH HIDER

RADICAL FIREARMS - AR 308 THREE PRONG FLASH HIDER 

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Conclusion

Flash hider can be a single-function device or a combined one. The first type just conceals the flash from the naked eyes, the second one can include functions of suppressor or/and compensator. Pay attention to the port’s location on the construction: flash devices with closed bottoms exclude kicking-up dirt into the face while shooting, being favorable for a prone position.

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