Mayville Engineering Co./Mec MEC Shell Checker
$20.67
The MEC Shell Checker is a must-have reloading tool that ensures properly chamfered shells. Precision machined holes test roundness and size.
2 in stock
The MEC Shell Checker is a convenient part to have on hand. Used by novice and seasoned reloaders alike this tool ensures that reloaded shells have the ability to chamfer properly. This checker has precision machined holes which are clearly labeled either GO or NO GO when testing both roundness and size.
The shell checker is made from durable stainless steel and is designed to handle 10 12 16 20 and 28 gauges as well as .410 Bore. The shell checker is affordably priced and in order to bear the MEC name it must pass strict quality-control checks.
| Weight | 0.200 lbs |
|---|---|
| Dimensions | 8.050 × 4.650 × 0.600 in |
| Manufacturer | Mayville Engineering Co./Mec |
| Material | stainless steel |
| Compatible With | 10, 12, 16, 20, 28 gauges, .410 Bore |
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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