In conclusion, and my opinion is in as much as there are no obsolete slings having the same number and pattern of holes as this sling has. Even if sections of older slings, like from the Krag/TD slings which have a plain length with no holes that could be used, the question remains, why weren't the same number and the same pattern of holes stamped in those sections according to the 1907 specs?
Also the sling is about 2" shorter then the 07 sling as well as the extra holes, also the sling has a different more squared off cut on the end instead of a more rounded end cut. And then there's the double RI and date stamps on the sling whereas the 07 sling has only one stamp. So in light of these factors I feel it is a completely different pattern sling and is most likely a prototype/trials sling which was made by adding an additional claw fastener, the 1903 sling had only one fastener, and adding additional holes. Eventually the holes were reduced and the length increased slightly, and it became the 1907 pattern sling. Ray
Also the sling is about 2" shorter then the 07 sling as well as the extra holes, also the sling has a different more squared off cut on the end instead of a more rounded end cut. And then there's the double RI and date stamps on the sling whereas the 07 sling has only one stamp. So in light of these factors I feel it is a completely different pattern sling and is most likely a prototype/trials sling which was made by adding an additional claw fastener, the 1903 sling had only one fastener, and adding additional holes. Eventually the holes were reduced and the length increased slightly, and it became the 1907 pattern sling. Ray

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