The DonnyFL TANTO is the perfect addition to your airgun setup. As the shorter version of the KOI, this compact moderator packs a punch, performing exceptionally well even on high-powered guns. Don’t let its size fool you—this small but mighty accessory is designed for top performance.
Key Features:
- Versatile Caliber Options: Available in .177/.22, .22/.25, and .25/.30.
- Mono-core Design: Precision CNC machined by professional machinists.
- Durable Construction: Sandblasted and anodized for maximum durability.
- Swappable Rear End Caps: Compatible with 1/2 x 20 Bolt, FX (M20x1) Bolt, 1/2 x 20 Cone, Vulcan M14x1.25, and Diana Skyhawk M12x1.25.
- Pre-wrapped in Felt: Comes pre-wrapped in felt for noise reduction.
- Easy Handling: Machined grooves on the outside for a secure grip.
- Compact Size: Tanto with cone end cap measures 5.37 inches in length.
- Convenient Transport: Comes with a protective red tube for easy transport and storage.
Weight Specifications:
With 1/2 x 20 Bolt rear end cap: 3.9 oz
Important Information:
- Visual Notes: If you see white lines on the inside of the front cap, that’s normal. They were caused by the prongs holding the pieces while anodizing, not pellet clippings.
- Adapter May Be Required: The Moderator does not come with an adapter. Please check our adapter section for the specific adapter associated with your air rifle.


Cody Brown (verified owner) –
Thank you Palm Beach Air Guns It’s always great ordering from you! This is a great moderator this is my second Donnyfl I’m very happy! I will be ordering two more TANTO’s very soon, working on two Bullpups!! THANKS AGAIN!!