With a new rugged front cap design, signature DonnyFL body grooves and bolt endcap, the Donny FL Koi is a great addition to any shrouded or un-shrouded air rifle.

This model has the smallest outer diameter compared to the other DonnyFL models but don’t let the size fool you. With the added vent holes around the front, it is as impressive as the others.

Donny FL Koi Features:

• Mono-core design
• Precision CNCed by professional machinist
• Sand blasted and anodized for maximum durability
• Swappable rear end caps for 1/2 x 20 Bolt, FX (M20x1) Bolt or 1/2 x 20 Cone
• Comes pre-wrapped in felt
• Machined grooves on the outside for easy handling

Weight: 
1. With 1/2 x 20 Bolt rear end cap: 4.7 oz
2. With 1/2 x 20 Cone rear end cap: 5.0 oz
3. With M20x1 Bolt rear end cap: 4.6 oz
4. With M14x1.25 Bolt rear end cap: 4.6 oz

*Airgun use only

As Donny FL moderators screw onto the shroud of your FX Airgun, DonnyFL would recommend going a size up when choosing your moderator. For example, if you’re looking for a .177 DonnyFL would recommend using a .22. or if you’re looking .25, you should opt for a .30