- Mono-core design
- Precision CNC’ed by professional machinist
- Sand blasted and anodized for maximum durability
- Comes pre-wrapped in felt
- Machined grooves on the outside for easy handling
- Comes with protective red tube for easy transport and storage.
- Weight: 4.7 oz
.177 Donny FL Koi Moderator
1.22″ x 7″… 1/2″ UNF Thread
The KOI is a great addition to any shrouded or un-shrouded air rifle. It has the smallest outer diameter compared to the other DonnyFL models but don’t let the size fool you, it’s as impressive as the others!
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