Nerf Sledgefire Rebarreled Mega 0.875' OD

Shell for Mega Caliburn Barrel Material. Updated soon for both Caliburn barrel material (.875' OD, .777' ID), and a .875' OD 19.3mm (.760') ID alternative.

The 19.3mm ID Aluminum: https://www.onlinemetals.com/merchant.cfm?pid=6891&step=4&showunits=inches&id=71&top_cat=60