Customize the size of your RYU or replace sections of your unit with these individual parts. Please note I would not add more than 2 extra baffles on top of the factory units. If you plan to do so, I would recommend going one caliber size up.
*The products on DonnyFL are INTENDED for use on airguns only. It is a violation of Federal law to use this product in a manner inconsistent with what it was intended for.