The DonnyFL Ronin for .357 Big Bore Airguns: Adapters, Endcaps and the Extender
Setting up the DonnyFL Ronin on .357 big bore airguns: caliber choice, M18x1 and other rear caps, Benjamin Bulldog, Ataman and Hatsan Blitz adapters, and when to add the Emperor/Ronin Extender.
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