Hammar M1A1 Standard Rearming Kit 33g (2025 expiry!)
This rearming kit will fit all 150N automatic jackets that use the hammar M1A1 (hydrostatic) automatic inflator. (Sometimes mis-spelt as Hammer or Hamar .)
The kit includes a replacement Hammar hydrostatic head, 33g CO2 cylinder fitted to new backing plate, fitting instructions and a fitting key.
*Note we are the only UK supplier who supplies the co2 cylinder fitted to a new backing plate, do not accept a kit without this part!
Our lifejacket cylinders are the very best available, they are zinc coated to reduce rust.
These parts have a sell by / use by date - ours are guaranteed to be the freshest stock available in the UK. If you are unsure which rearming kit your lifejacket accepts please email us before ordering!

























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