Description
The Aguila .243 Winchester with InterLock bullets gives you a no-fuss round that works. The 100-grain InterLock bullet is built to expand reliably while holding together through impact, so it transfers energy to your target instead of fragmenting on the surface. The exposed lead tip promotes controlled expansion right when you need it, backed by that mechanical ring inside the jacket that locks the core and jacket together.
Why the InterLock Matters for .243 Hunting
That boat tail design isn't just for show. It helps the bullet cut through the air cleaner, which means a flatter trajectory downrange and better velocity retention when it counts. You get a round that stays true at distance, especially important when hunting deer-sized game where that extra velocity helps ensure ethical kills. The .243 is already known for shooting flat with minimal recoil, and proper ammunition like this amplifies that advantage.
Aguila Ammunition Quality and Reliability
Aguila has spent over 50 years focused on manufacturing ammunition that works in the field. These rounds come in fresh, boxer-primed brass cases that are reloadable if you get into handloading down the road. They're non-corrosive and use clean-burning powder, which means less fouling in your barrel and more reliable cycling through your rifle. You get consistent performance shot after shot with ammunition that was designed for hunters who can't afford surprises.
This is the kind of round that gets the job done whether you're hunting in thick brush or open country. The 100-grain weight sits right in that sweet spot for the .243, giving you enough mass and energy to handle what most hunters face without punishing your shoulder or making follow-up shots difficult.
Key Specifications
- Caliber: .243 Winchester
- Bullet Weight: 100 grains
- Bullet Type: InterLock Boat Tail Soft Point
- Case Material: Brass
- Primer: Boxer
- Rounds per Box: 20
- Manufacturer: Aguila Ammunition
- Manufacturer Part Number: 8047AG
- UPC: 640420012070
- Reloadable: Yes
- Corrosive: Non-corrosive
- Production Type: New production
What’s Included
- 20 rounds of .243 Winchester ammunition with InterLock bullets
Frequently Asked Questions
What game is the 100-grain InterLock .243 Winchester best suited for?
The 100-grain weight with InterLock construction works well for deer-sized game at reasonable hunting distances. The bullet expands reliably at moderate velocities while retaining enough mass for proper penetration. Many hunters use this exact load for whitetail, mule deer, and similar sized game where you need controlled expansion without over-penetration.
Can I reload these brass cases?
Yes. Aguila loads these rounds in boxer-primed brass cases that are reloadable. They're also non-corrosive, so your cases stay in good condition for multiple reloading cycles if you decide to handload down the road.
How does the boat tail design affect performance?
The boat tail reduces drag and helps the bullet maintain velocity better as it travels downrange. This gives you a flatter trajectory and better energy retention at distance, which matters when hunting across longer country or when you need reliable performance past 200 yards.
What does the InterLock feature actually do?
The InterLock is a mechanical ring inside the bullet jacket that's embedded into the lead core. It prevents the jacket and core from separating on impact, so you get controlled expansion that retains more of the bullet's weight and energy. This design helps ensure deep penetration while avoiding fragmentation.





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