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303 British Ammo

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303 British ammo comes in bullet weights of 150 to 180 grain. The most popular and commercially available 303 British bullet weights are 150 and 180 grains. The grandfather of modern cartridges like the .30-06, the venerable .303 won two World Wars for England and remains a popular game cartridge. Performance ballistics for 150 and 180 grains are found in the following table.

303 BRITISH VELOCITY
100 yd 200 yd 300 yd 400 yd 500 yd
150 gr 2,441 ft/s 2,210 ft/s 1,992 ft/s 1,787 ft/s 1,598 ft/s
180 gr 2,206 ft/s 1,966 ft/s 1,744 ft/s 1,542 ft/s 1,363 ft/s
303 BRITISH ENERGY
100 yd 200 yd 300 yd 400 yd 500 yd
150 gr 1,984 ft⋅lb 1,627 ft⋅lb 1,321 ft⋅lb 1,064 ft⋅lb 851 ft⋅lb
180 gr 1,944 ft⋅lb 1,545 ft⋅lb 1,215 ft⋅lb 950 ft⋅lb 742 ft⋅lb

Disclaimer: Actual velocity and energy ballistics may vary.