Each shell has the following characteristics:
- Formed from 18 Gauge ASTM1008 (DC04 equivalent) low carbon steel.
- Fits in 21 inch diameter tuning rings
- 4.85 inches deep
- 0.5 inch wide flange, cut on a CNC plasma cutter for a perfectly circular and clean cut.
These shells are un-treated (not nitrided).
Please allow 2 to 3 weeks for production if on backorder.
Max of 10 shells per box for shipping. Larger orders will require freight shipping; please send an email to Help@SymphonicSteel to inquire about larger quantity orders (greater than 20 shells). Larger quantities are subject to discounts as well.