Hi Joe, The M23 has a different gooseneck than the M17. I believe these were a special design/custom build by JM himself. I recently had mine straightened and reinforced by a sheetmetal working buddy. Bones ____________________________________________________________ Penny Stock Jumping 2000% Sign up to the #1 voted penny stock newsletter for free today! http://thirdpartyoffers.juno.com/TGL3141/4be2c0bd6f0882ebde4st06vuc