Original sentence: Some UK units, such as UKSF and the Close Protection Unit of the Royal Military Police use the Diemaco produced M16 derivatives rather than the SA80 series due to their different weapon requirements.The SA80 family has not been manufactured for a number of years.The UGL was intially purchased as an Urgent Operational Requirement for Operation Telic however the launchers and their ammunition were not widely available at the start of the campaign.The addition of the UGL adds another 3.30 lb (1.49 kg) to the L85A2's weight
Edited sentence: Some UK units, such as UKSF and the Close Protection Unit of the Royal Military Police use the Diemaco produced M16 derivatives rather than the SA80 series due to their  different weapon requirements.The SA80 family is now an old design which has not been manufactured for a number of years.The UGL was intially purchased as an Urgent Operational Requirement for Operation Telic however the launchers and their ammunition were not widly available at the start of the campaign.The addition of the UGL adds another 3.30 lb (1.49 kg) to the L85A2 rifle's weight