Total length, 2-3/4". With 1/2" buffer on either side, 1-1/2" stefans fit easily.
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Breech open:
Mine only opens 1" because I put a tab under the cover to 'lock' it. Given that I've a coupler at the end of it, that was unnecessary.
Breech closed:
Disassembled:
Notice the tab in the upper half.
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If you have a Dremel and pipecutter, it's 15 minutes or less.
Edited by taerKitty, 09 June 2010 - 08:23 PM.