Mayville Engineering Co./Mec MEC Super Sizer Die Set Converter To 20 Gauge
$58.13
Transform your MEC Super Sizer into a versatile reloading tool with the Super Sizer Die Set Converter for 20 Gauge. This essential upgrade allows you to easily switch between gauges, accommodating 10, 12, 16, 20, 28, and .410 bore. Perfect for the reloader looking to maximize efficiency and flexibility in their shell preparation.
Out of stock
The MEC Super Sizer Die Set Converter changes an existing MEC Super Sizer to 20 gauge.
Super Sizer die sets are available in 10, 12, 16, 20, and 28 gauge, as well as .410 bore.
- Manufacturer: Mayville Engineering Co./Mec
- Gauge: 20 gauge
- Category: Dies, Replacement Parts
- Manufacturer Part Number: dd-ME816720
- UPC: 098489012737
| Weight | 0.494 lbs |
|---|---|
| Dimensions | 6.450 × 2.250 × 2.200 in |
| Manufacturer | Mayville Engineering Co./Mec |
| Finish | Not specified |
| Weight | Not specified |
| Material | Metal |
| Dimensions | Not specified |
| Compatible With | MEC Super Sizer |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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