This barrow strap extansion allows you use the full 3m of the barrow strap and have 1m of adjustability. It includes 1m of MoD spec webbing and  2 x stainless steel tribuckles. There are 2 options: with or without a 316 stainless steel carabiner. Available in green or camou.
 
These are made to order and can take 7 days to be dispatched.