Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!)

Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!)
Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!)
Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!)
Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!) Hammar M1A1 Standard Rearming Kit 33g (2026 expiry!)
Price: £40.99 inc VAT

Current stock is 2021 manufactured and expires Dec 2026

UK delivery from £4.99 per order!


watch video

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! 

write a review

Trev Parrish said...
"Great product at a fair price with excellent delivery. Many thanks Trev."
Star Rating 5
Mike said...
"Best price around for this kit."
Star Rating 5
S Field said...
"Good product. Delivered very quickly."
Star Rating 5
Jim Marriott said...
"Exactly what I ordered. Arrived in a very timely manner. Well done!"
Star Rating 5
Mark SHREEVE said...
"A truly 5* service. Quality, price, delivery, ............................."
Star Rating 5
Peter ferris said...
"Excellent service and product."
Star Rating 5
Jeffrey Biggs said...
"Excellent product easily fitted. Liked the Marine Warehouse service and the video which was very helpful."
Star Rating 5
Reg Tamblyn said...
"Email enquiry answered same day. Goods despatched same day as ordered, with time of delivery advised.(And kept to) 100% service."
Star Rating 5
John Hyde said...
"A first class product at a reasonable price.Delivery was much quicker than I expected.Highly recommended."
Star Rating 5
Nick said...
"Good price, excellent and speedy service. Bravo !"
Star Rating 5
John said...
"Excellent product easy to fit wish I had Hammar arming on the rest of my life jackets "
Star Rating 5
David said...
"Good price, speedy delivery and easy to fit."
Star Rating 5
Adrian Roseby said...
"Excellent service, good value and swift delivery."
Star Rating 4
Andy Baxter said...
"This was the best value set I could find AND came with the longest time life. Great value."
Star Rating 5
Andrew said...
"Full marks for being honest enough to advertise the expiry dates of safety products. Obvious advantages in buying the longest period."
Star Rating 5
Peter from Chelmsford said...
"Good item and very easy to install"
Star Rating 5
Andrew Sheldon said...
"Arrived promptly and correctly, fitted easily. Being a life jacket inflater its one thing I hope to avoid using in a hurry!"
Star Rating 5
Claude FABER said...
"just perfect"
Star Rating 5
Douglas Wilson said...
"The Hammer M1A1 rearming kit was very easy to replace especially after watching the video on the Marine Warehouse site. I feel it is a good idea to have an automatic lifejacket and is worth paying the extra. Very good service with delivery by 1st Class Post."
Star Rating 5
steve said...
"Part fits perfectly. Clear instructions and great sevice."
Star Rating 5
Ian said...
"Great service from Marine Warehouse and great video to help me install it"
Star Rating 5
Stuart Crook said...
"Excellent service very pleased with my purchase "
Star Rating 5
Mike brown said...
"Great product easy to use"
Star Rating 5
Robert Carrick said...
"Thank you very much, I received my order so fast I couldn't believe it. I will be ordering with you again for definite."
Star Rating 5
Jonathan Hart said...
"Quality part. Amazingly quick service. Highly recommend."
Star Rating 5
Paul said...
"Excellent quick service"
Star Rating 5
Jon H said...
"Prompt delivery at an excellent price. Will use again."
Star Rating 5
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