Lapua Unprimed Brass Rifle Cartridge Cases .243 Win 6.16X51 100/ct
$139.63
Lapua’s .243 Win unprimed brass delivers the precision and consistency needed for varmint, bird, and deer hunting.
14 in stock
The .243 Winchester is the legendary mild recoil caliber for today’s small game hunting. The .243 Winchester case has all the world famous qualities of Lapua’s unrivaled .308 Winchester brass. With a light bullet load the .243 Win. case works like a charm for long distance varmint and bird hunting for deer hunting the optimal choice of bullet weight is 100 – 105 gr.
The base body and neck of Lapua cases have been designed to maintain exact tolerances over multiple reloading cycles. Advanced metallurgical research and manufacturing techniques ensure that Lapua cases are leaders in uniformity and quality. Lapua cases are built to reload again and again.
- Case Construction base: The base section is hard and strong and the dimensions remain constant and will hold primers tight in primer pocket even after repeated reloading
- Body: The brass body section is hard and firm. It is easy to extract after firing whether full sizing or only neck sizing was used in reloading
- Neck: Strict tolerances in concentricity and wall thickness are used in manufacturing. The neck and shoulder are annealed to withstand repeated reloading
- Uses Large Rifle Primer (LRP)
| Weight | 2.888 lbs |
|---|---|
| Dimensions | 7.900 × 7.250 × 2.300 in |
| Manufacturer | Lapua Ammunition |
| Caliber | .243 Win |
| Bullet Weight | 100 – 105 gr |
| Rounds Per Box | 100 |
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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