SilencerCo ASR Flash Hider 9mm AR-15 M13.5x1LH Black

SilencerCo
MPN:
AC1561
UPC:
817272016901
$79.90
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The SilencerCo ASR Flash Hider in 9mm is a precision-engineered muzzle device designed to serve as the foundation for SilencerCo's industry-leading Active Spring Retention suppressor mounting system, delivering fast, rock-solid suppressor attachment with effective flash mitigation.

  • Compatible with SilencerCo's ASR quick-attach/detach suppressor mounting system
  • One-hand-on, one-hand-off operation for effortless suppressor transfers
  • Locking ring prevents rotation and keeps suppressor secure under heavy fire
  • Patent-pending resonance suppression eliminates the tuning-fork effect
  • Threaded M13.5x1LH for 9mm AR-15 and pistol-caliber carbine barrels
  • Durable black finish built to withstand demanding shooting schedules

Who This Is For

This flash hider is the ideal choice for AR-15 pistol-caliber carbine owners running a 9mm build who want a seamless, reliable way to attach and detach any ASR-compatible SilencerCo suppressor. It's equally well-suited for competitive shooters, home defenders, and suppressor enthusiasts who frequently swap cans between multiple hosts and demand a mount that stays locked under sustained fire.

SilencerCo ASR Flash Hider 9mm M13.5x1LH Black muzzle device

Specifications

BrandSilencerCo
ModelASR Flash Hider
Caliber9mm
Thread PitchM13.5x1LH (Left-Hand)
FinishBlack
Mount SystemASR (Active Spring Retention)
Compatible Hosts9mm AR-15 / Pistol-Caliber Carbines
Suppressor CompatibilityAll ASR-compatible SilencerCo suppressors
Locking MechanismASR Locking Ring
Country of OriginUSA

Frequently Asked Questions

Which SilencerCo suppressors are compatible with this ASR Flash Hider?

This flash hider is compatible with all SilencerCo suppressors that use the ASR (Active Spring Retention) mount system. This includes popular models such as the Omega 9K, Hybrid 46, and Osprey 9, among others. Always verify your specific suppressor model supports ASR mounts before purchasing.

What does the left-hand (LH) thread pitch mean, and why does it matter?

The M13.5x1LH designation indicates a left-hand thread pitch, which is standard for many 9mm pistol-caliber carbine barrels. Left-hand threads are intentional — they help prevent the muzzle device from loosening due to the rotational forces generated during firing. Make sure your 9mm AR-15 barrel is threaded M13.5x1LH before ordering to ensure proper fitment.

What is the tuning-fork effect, and how does SilencerCo eliminate it?

The tuning-fork effect is a harmonic vibration that occurs in many traditional 3-prong flash hiders during firing, causing an annoying ringing sensation and potential accuracy disruption. SilencerCo's patent-pending resonance suppression design breaks up these harmonics, effectively eliminating the vibration for a more comfortable and consistent shooting experience.

Caliber:
9MM
Finish:
BLACK
Thread Pitch:
M13.5X1LH
Type:
FLASH HIDER