DonnyFL Airgunner Field Notes

The DonnyFL RYU QD 2.0 keeps the 1.22 x 5.25 inch modular RYU body and moves it onto the same V2 QD base as the Yokozuna, a tailored fit system that you set up for your own rifle instead of relying on a spring. It is built to be adopted across PCP airguns of every make, and...

Chris Turek, the UpNorth AirGunner, breaks down the DonnyFL Emperor +P on the AirForce Tex-Rex: why the reinforced +P internals exist, .457/.50 M18x1 fitment and Texan adapters, why you dimple the barrel, the Emperor/Ronin Extender, and the Saber Tactical buttstock and grip...

A plain explanation of the thread pitches used on airgun moderators and adapters, and the DonnyFL endcaps that let one moderator move between rifles.

A buyer guide to the full DonnyFL moderator lineup, organized by caliber and power, with the sizing and adapter rules that make the choice straightforward.

A complete fitment guide for DonnyFL adapters across the AirForce lineup, from the Escape and Condor to the Talon SS, TalonP and Texan big bores.

When your rifle does not have a dedicated adapter, these DonnyFL universal options, plus the new Air Venturi Alpha adapter, can still get a moderator on it.

How to choose between the DonnyFL Yokozuna S92, Ronin and Emperor for a .357 deer rifle, and which adapter fits the Texan, Bulldog, AEA Challenger, Ataman M2R and JKHan Noblesse.

A complete guide to DonnyFL adapters for Benjamin and Crosman airguns, from the Marauder and Discovery to the 2240 and the .357 Bulldog, with the moderators we recommend for each.

A model by model guide to DonnyFL adapters for Hatsan airguns, with honest notes on semi-auto magazine indexing and which moderators pair best.

A practical maintenance routine for DonnyFL airgun moderators, covering safe disassembly with the M159 wrench, cleaning, inspection for clipping, and the felt, O-ring and refresh kits that keep a moderator performing.