Lyman Ammo Checker – Single Caliber .300 Win Mag
$19.32
Ensure your .300 Win Mag rounds are consistent and reliable with the Lyman Ammo Checker. Machined to SAAMI minimum chamber tolerances for accurate verification.
Out of stock
Lyman Ammo Checkers are gauges that verify the quality and consistency of both reloaded and factory ammo. They are machined from solid aluminum and cut with custom tooling to SAAMI minimum chamber tolerances. Just drop your cartridge into the gauge and if it fits it will chamber in your gun.
| Weight | 0.235 lbs |
|---|---|
| Dimensions | 7.450 × 1.750 × 1.300 in |
| Manufacturer | Lyman Products |
| Finish | machined |
| Material | aluminum |
| Dimensions | SAAMI minimum chamber tolerances |
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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