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Swiss sub-calibre inserts #1: K31 airgun insert by Hämmerli

The Chap got rather lucky a while back and managed to score himself one of the elusive Hämmerli airgun inserts for the Swiss K31 rifle. Relieved of his monies, he returned home with his prize.

This little beauty sticks into the barrel and locks into the ejection opening, and is a side-handle springer airgun taking 4.5mm lead BB balls. Which is quite fun.



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