The maximum effective range of field-legal airsoft guns is all around with a highly upgraded sniper rifle replica. Most airsoft guns used for field play will have an effective range of around , depending on the intended gameplay role. Most Airsoft guns are capable of shooting from , although it is also possible to purchase upgraded internals that will enable the gun to shoot up to or higher. In California, a common limit for CQB is . In Ireland, Italy and Japan the muzzle energy limit for airsoft guns is 1 joule no matter what the type of gameplay. In the UK, the law allows weapons locked to semi-automatic and bolt-action rifles to fire up to 2.5 joules (at muzzle velocity up to ). Any weapon "which is capable of discharging two or more missiles successively without repeated pressure on the trigger" is limited, by law, at 1.3 joules (velocity up to ). Northern Ireland has a maximum velocity of with 0.20 g pellets, without regard to the type of equipment. In Sweden, the legal limitations of airsoft guns caps the energy limit at 10 joules for manual guns, and 3 joules for semi- and fully automatic guns.