DonnyFL RONIN .357 “Big Bore” Moderator


Ronin for the .357 is a redesign of the Ronin 1/2 x 20. If you do not like the length of the Emperor, this is an awesome alternative. Rear cap was also changed to reduce weight. 

  • 2 x 6.25 inches 
  • Available for .357 caliber airguns
  • M18x1 threaded end cap
  • Mono-core design to increase accuracy and limit the chances of pellet clipping
  • No moving parts or epoxy that may become loose after 1000’s of rounds
  • Precision CNC’d by professional machinist
  • Sand blasted and anodized for maximum durability
  • Take apart in less than 10 seconds by unscrewing the rear end cap and pushing back the mono-core. No silly hex key or torch needed when you want to perform maintenance inside the unit.
  • Comes pre-wrapped in felt
  • Machined grooves on the outside for easy handling.
  • Weight 9.7 oz

*DISCLAIMER: These DonnyFL products are INTENDED for the use on airguns only.  It is a violation of Federal law to use this product in a manner inconsistent for which it was intended for. It is your Responsibility to know the laws in your state, county and city and to fully comply with them. 

Weight 0.1 lbs
Dimensions 3 × 6 × 3 in
Product UPC/EAN


Thread Size


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