Hunting & Shooting > Gun Supplies > Gun Parts Beretta Benelli Mobil Flush Mount Replacement Stainless Choke Tubes sku: 62880 Price $18.99 QTY Add To Cart + Add To Wishlist Description Size Chart Reviews These chokes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than BB should not be used in any choke tighter than modified. BB and smaller size steel shot may be used through full choke constriction. Full, Diameter .675 No size chart for this product.