HomeCartridgesGamebore Competition20 Bore Super Comp Plastic 28gr – 8. – Per 1000 20 Bore Super Comp Plastic 28gr – 8. – Per 1000£305.00 PER 1000 Categories: Cartridges, Gamebore Competition Product ID: 2832 Related products Mammoth Plastic 3″ 50gr – 3 & BB. – Per 1000 £701.00 EVO Plastic 21gr to 28gr – 7.5, 8 & 9. – From £239.00 Mammoth Plastic 3 1/2″ 63gr – 1 & BB. -Per 1000 £1,325.00 20 Bore Super Comp Plastic 24gr – 7.5, 8 & 9. – Per 1000 £293.00