CMC ProSeries Aluminum Key-Lock Carabiner


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The Most Advanced NFPA General-Use Rescue Carabiner on the Market. Rescuers working in the most demanding circumstances will appreciate CMC’s ProSeries Aluminum Carabiners, the first aluminum carabiners to meet NFPA strength requirements for General Use. Combining high performance with minimum weight, these carabiners significantly reduce the weight of a rescuer’s gear while maintaining the highest possible margin of safety.

  • USA Made Cert
  • cmc nfpa 1983 general use
  •  Delivery & Return


    All items are shipped via UPS unless otherwise noted. Oversized items may need to be shipped via LTL. Overnight shipping is available when requested. All shipping charges are calculated at checkout or will be added to your quote.


    You may return your stock item purchase for exchange or refund up to 30 days from date of invoice.  Prior to returning any items, please contact us for an RGA (Return Goods Authorization) number. Proof of purchase from Allstar is required for all returns. All returned goods must be in original packaging and in new and sellable condition. Custom and Special Order items are subject to the manufacturers return policy.  Some manufacturers require a re-stock fee for return which is deducted from your refund. Freight must be prepaid on all returns.


    Please contact us if you have any other questions and/or concerns. Email: Toll Free: (800) 425-5787
  •  Ask a Question

View Product Information

The patented key-lock design eliminates snagging when removing the carabiner from your harness, and a redesigned gate provides a full 1.1 inch
(28 mm) opening on the standard size version and a 2.1 inch (53 mm) opening on the XL version. Gate choices include the traditional Screw-Lock, CMC’s easy-to-open-with-one-hand Auto-Lock, CMC’s innovative Manual-Lock, and an ANSI-certified (Z359.12) gate.

  • Key-lock gate will not snag on web or harnesses
  • 28mm gate opening on standard-size carabiner
  • 53mm gate opening on XL-size carabiner
  • Available with three gate options: traditional screw-lock, auto-lock (opens easily with one hand), and manual-lock
  • Manual-lock closes easily by pushing down on barrel
  • Removable keeper pin included with XL-size carabiners
  • Every carabiner is proof loaded
  • Serial numbers on every carabiner

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CMC ProSeries Aluminum Key-Lock Carabiner


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    cmc 300233 proseries carabiner auto lock

    CMC ProSeries Aluminum Key-Lock Carabiner


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