12 bore Square sideplated over and under

The Boxall and Edmiston Square Sideplated over and under is the sister model to the hugely popular round action OU. With additional space for engraving the Sideplated version includes a choice of game scene vignettes, either from the existing library or entirely new to clients specification.

The square sideplated over and under builds on the success of the round action OU and the side by sides in the Boxall and Edmiston range.

Both over and unders have a classic trigger plate lockwork system. This system is central to the action allowing maximum impact of the main (leaf) springs force as it pushes the hammer into the striker. Furthermore, the central location of the lockwork allows minimal striker angle through the action body to the breech face which delivers the cartridge detonation more efficiently as it hits the detonator almost straight on.

The use of leaf springs, a must on classic British guns, gives a faster detonation time as it’s energy can be released more efficiently as it is uncompressed as the sear releases the hammer.

As every gun crafted at Boxall & Edmiston is entirely bespoke each element is customised by the client to create a gun that compliments a shooters style. Below are just a small selection of bespoke options available:

  • barrel length,
  • Choke size (interchangeable available),
  • wood selection,
  • custom stocking,
  • engraving options,
  • gold or silver oval with initials,
  • left hand opening (lever to the left),
  • Weight specification - bespoke guns can be crafted to a specific weight depending on the clients requirements, please contact for more information,
  • Game scenes - from existing library or commission something new;
  • and many more.

For a full list of bespoke options and upgrades please visit the price list page.

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