RCBS Small Base Die Set – Group A – Popular Rifle Cartridge .243 Win
$53.62
The RCBS Small Base Die Set for .243 Win is essential for reloading bottleneck cartridges in tight-chambering semi-automatic, pump, or lever-action rifles. This two-die set includes a Small Base Sizer that reduces shoulder and body dimensions below SAAMI minimums, alongside a Regular Seater Die featuring a built-in roll crimper for secure bullet seating. Perfect for achieving reliable chambering and accuracy in your next shooting session.
6 in stock
This two-die set is for bottleneck type cases used in tight-chambering semi-automatic pump or lever-action rifles. It consists of a Small Base Sizer with an Expander-Decapping Unit and Regular Seater Die with Seater Plug. The sizer resizes cases below SAAMI minimums reducing the shoulder and body by a few thousandths. It also de-primes the case. The included Seater Die has a built-in roll crimper to secure the bullet at the same time it
| Weight | 1.169 lbs |
|---|---|
| Dimensions | 5.950 × 4.500 × 1.750 in |
| Manufacturer | RCBS |
| Caliber | .243 Win |
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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