The price of smoothbore perfection is steep. The MSRP is usually a hair south of two grand, depending upon the product (There are 2 M4 H20 Tactical versions with titanium Cerakote finished receivers for $270 much more). The Benelli M4 shotgun is likely on the list of softest shooting shotguns https://highimpactrounds.com/product/benelli-m4-tactical-12-ga-18-5in-5rd-2/