Original sentence: American 7 mm cartridges have 7.21 mm (0.284 in) grooves Ø.European 7 mm cartridges all have 7.24 mm (0.285 in) grooves Ø diameter.The common rifling twist rate for this cartridge is 254 mm (1 in 10 in), 6 grooves, Ø lands = 7.00 mm, Ø grooves = 7.19 mm, land width = 2.79 mm and the primer type is large rifle.The end result was a 7 mm cartridge with about the same overall length as the.maximum allowed chamber pressure and as a European 7 mm cartridge has a slightly larger bore
Edited sentence: American 7 mm cartridges have 7.21 mm (0.284 in) grooves Ø.European 7 mm cartridges all have 7.24 mm (0.285 in) grooves Ø diameter.The common rifling twist rate for this cartridge is 254 mm (1 in 10 in), 6 grooves, Ø lands = 7.00 mm, Ø grooves = 7.19 mm, land width = 2.79 mm and the primer type is large rifle.The end result was a 7 mm cartridge with about the same overall length as the.maximum allowed chamber pressure and as a European 7 mm cartridge has a slightly larger bore