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Dead Air
The Dead Air Keymicro Adapter M13.5x1LH brings professional-grade modular suppressor mounting to your 9mm firearms. This adapter threads directly onto barrels with M13.5x1LH left-hand threads and serves as the foundation for Dead Air's KeyMicro suppressor ecosystem—a lightweight, quick-detach platform built on the same proven technology as the company's industry-standard KeyMo system. Whether you're running a precision 9mm PCC, a compact pistol-caliber rifle, or a dedicated host with the right muzzle thread pitch, this adapter delivers a rock-solid connection with minimal added weight.
Built from 4140 heat-treated alloy steel and finished in durable black nitride, the Keymicro Adapter is engineered for reliability in the field or on the range. At just over 3 ounces and measuring 2.063 inches, it won't throw off your balance or sight picture. The design is straightforward: thread it on, lock your KeyMicro suppressor in place via the quick-detach interface, and you're ready to shoot. The adapter also doubles as a standalone muzzle device if needed, though most users will pair it with Dead Air's compatible suppressors or flash hiders for a complete system.
One key advantage of the KeyMicro platform is versatility. Dead Air's KeyMicro suppressors are cross-compatible with KeyMo adapters, giving you flexibility in your suppressor lineup and host rifles. If you're already running KeyMo gear on other calibers, you understand the quality and consistency Dead Air delivers. The M13.5x1LH thread pattern is less common than standard 1/2-28 or 5/8-24, so verify your barrel before ordering—this adapter is specifically engineered for that left-hand metric pitch.
Suitable for hunters using suppressed 9mm rifles, shooters building modular sound-reduction systems, or anyone wanting professional quick-detach mounting without the bulk of larger adapters, the Keymicro Adapter M13.5x1LH rounds out a serious 9mm setup.
| Material | 4140 HT Alloy Steel |
| Finish | Black Nitride |
| Overall Length | 2.063 inches |
| Weight | 3.36–3.52 oz |
| Thread Pitch | M13.5x1LH (left-hand) |
| Bore Diameter | Sized for 9mm |
The Keymicro Adapter M13.5x1LH is designed for barrels threaded M13.5x1LH left-hand. This is an uncommon metric thread pitch, so confirm your barrel's specifications before purchase. Dead Air makes Keymicro adapters in other thread patterns (1/2-28, 5/8-24, and SIG TAPER variants) if you have a different setup.
The adapter accepts Dead Air's KeyMicro line of suppressors and flash hiders via quick-detach connection. KeyMicro devices are also compatible with Dead Air's KeyMo adapters, giving you flexibility across both product lines for your 9mm hosts.
Yes. The Keymicro Adapter functions as a standalone muzzle device on its own, though most users pair it with a KeyMicro suppressor or flash hider to take full advantage of the quick-detach platform and sound reduction.
Check your firearm's documentation or contact the barrel manufacturer. M13.5x1LH is a left-hand metric pitch less common than standard 1/2-28 or 5/8-24 threads, so verification is important before ordering to ensure proper fit and safety.
Dead Air
The Dead Air Keymicro Adapter M13.5x1LH brings professional-grade modular suppressor mounting to your 9mm firearms. This adapter threads directly onto barrels with M13.5x1LH left-hand threads and serves as the foundation for Dead Air's KeyMicro suppressor ecosystem—a lightweight, quick-detach platform built on the same proven technology as the company's industry-standard KeyMo system. Whether you're running a precision 9mm PCC, a compact pistol-caliber rifle, or a dedicated host with the right muzzle thread pitch, this adapter delivers a rock-solid connection with minimal added weight.
Built from 4140 heat-treated alloy steel and finished in durable black nitride, the Keymicro Adapter is engineered for reliability in the field or on the range. At just over 3 ounces and measuring 2.063 inches, it won't throw off your balance or sight picture. The design is straightforward: thread it on, lock your KeyMicro suppressor in place via the quick-detach interface, and you're ready to shoot. The adapter also doubles as a standalone muzzle device if needed, though most users will pair it with Dead Air's compatible suppressors or flash hiders for a complete system.
One key advantage of the KeyMicro platform is versatility. Dead Air's KeyMicro suppressors are cross-compatible with KeyMo adapters, giving you flexibility in your suppressor lineup and host rifles. If you're already running KeyMo gear on other calibers, you understand the quality and consistency Dead Air delivers. The M13.5x1LH thread pattern is less common than standard 1/2-28 or 5/8-24, so verify your barrel before ordering—this adapter is specifically engineered for that left-hand metric pitch.
Suitable for hunters using suppressed 9mm rifles, shooters building modular sound-reduction systems, or anyone wanting professional quick-detach mounting without the bulk of larger adapters, the Keymicro Adapter M13.5x1LH rounds out a serious 9mm setup.
| Material | 4140 HT Alloy Steel |
| Finish | Black Nitride |
| Overall Length | 2.063 inches |
| Weight | 3.36–3.52 oz |
| Thread Pitch | M13.5x1LH (left-hand) |
| Bore Diameter | Sized for 9mm |
The Keymicro Adapter M13.5x1LH is designed for barrels threaded M13.5x1LH left-hand. This is an uncommon metric thread pitch, so confirm your barrel's specifications before purchase. Dead Air makes Keymicro adapters in other thread patterns (1/2-28, 5/8-24, and SIG TAPER variants) if you have a different setup.
The adapter accepts Dead Air's KeyMicro line of suppressors and flash hiders via quick-detach connection. KeyMicro devices are also compatible with Dead Air's KeyMo adapters, giving you flexibility across both product lines for your 9mm hosts.
Yes. The Keymicro Adapter functions as a standalone muzzle device on its own, though most users pair it with a KeyMicro suppressor or flash hider to take full advantage of the quick-detach platform and sound reduction.
Check your firearm's documentation or contact the barrel manufacturer. M13.5x1LH is a left-hand metric pitch less common than standard 1/2-28 or 5/8-24 threads, so verification is important before ordering to ensure proper fit and safety.
