{"name": "20/76 ROTTWEIL 26G ROTTWEIL 26G", "productName": "", "caliber": "20 Gauge / 20 Bore / .615", "bulletType": "", "bulletVendor": "", "cartridge": "ROTTWEIL 26G", "cartridgeVendor": "", "url": null, "country": "", "bc": null, "g7": null, "weight": null, "muzzleVelocity": null, "author": null, "note": null, "extra": {"realDiameter": 0.615}}