BioAmmo Rex Clay 12 Gauge 1oz 2.75in 7.5 Lead Shot Centerfire Shotgun Ammo 25 Rounds. Premium quality cartridges designed by the Olympic Medallist Jorge Guardiola specifically for Sports Shooters including for high-level competitions. Specifications for BioAmmo Rex Clay 12 Gauge 1oz 2 3/4 7.5 Centerfire Shot Shotgun Ammunition: Manufacturer: BioAmmo Gauge: 12 Number of Rounds: 25 Shot Size: 7.5 Shell Length: 2 3/4 in Application: Competitive Shooting Shotgun Shot Weight: 1 oz Shot Material: Plastic Primer Style: Centerfire Cartridge Case Material: Organic Biodegradable Lead Free: No Features of BioAmmo Rex Clay 12 Gauge 1oz 2.75in 7.5 Lead Shot Shotgun Ammunition Bio-Polymers Used For Hulls And Wads Are Biodegradable & Compostable Do Not Generate Microplastics Have Ok Compost Certificates From Tuv Austria Bio Ammo Shotshells For Clay Target Shooting Package Contents: BioAmmo Rex Clay 12 Gauge 1oz 2.75in 7.5 Lead Shot Shotgun Ammunition What is BioAmmo Rex Clay 12 Gauge 1oz 2 3/4 7.5 Centerfire Shot Shotgun Ammunition good for? The manufacturer suggests that it is suitable for competitive shooting.BioAmmo BR2875: Rex Clay 12 Gauge 1oz 2.75in 7.5 Lead Shot Centerfire Shotgun Ammo 25 Rounds