The Otter Creek Labs Lithium 9 is a purpose-built 9mm suppressor engineered for minimal weight while maintaining practical suppression performance. Constructed from Grade 5 titanium with CNC welding, the unit is optimized for PCC/SMG platforms and compatible with 9mm handguns. It includes a 1/2×28 titanium direct thread adapter and utilizes industry-standard rear mounting threads for adaptable mounting options.

Key Specifications

• Chambered for 9mm.
• The suppressor weighs 5.7 ounces (no mount).
• The overall length is 6 inches (no mount).
• The outer diameter measures 1.5 inches.
• Constructed of 6Al-4V Grade 5 titanium with CNC welding.
• Surface finish is Cerakote in black.
• Rear mounting threads are 1.375×24 (HUB/ASR Bravo) and it includes a 1/2×28 direct thread adaptor.
• Compatible with 3-lug and booster/piston mounts and suitable for 9mm handguns and PCCs.
• Rated for full-auto use.
• Package contents include the suppressor, a 1/2×28 titanium direct thread adaptor, a tube clamp, and stickers.

Lightweight and corrosion-resistant, the Lithium 9 blends Grade 5 titanium construction with a compact form factor to minimize carry weight without sacrificing mounting flexibility. Internal venting and geometry address port pop on direct blowback systems, and the combination of HUB-compatible rear threads plus the included direct-thread adapter provides adaptable installation across a range of mounts and host firearms. Its compact size and durable finish make it a practical option for shooters who prioritize low mass and modular mounting for PCC, SMG, and handgun platforms.