Lehigh Defense Controlled Chaos .277 127gr 50 Rounds - 270 Win/270 WSM Ammunition
$64.00
- Grain:
- 127
- OAL:
- 1.305"
- Quantity:
- 50
- Core Material:
- Copper
- Jacket Material:
- Copper
- Sectional Density:
- 0.236
- Bullet Diameter:
- 0.277
- Coefficient:
- 0.429
Lehigh Defense Controlled Chaos .277 127gr ammunition for 270 Win and 270 WSM delivers a hybrid performance philosophy that refuses to compromise. Most bullets force you to choose: rapid expansion with shallow penetration, or deep penetration with minimal expansion. These copper, lead-free projectiles split the difference by design. The bullet's hollow front section petals on impact, creating a violent energy transfer and dramatic temporary wound cavity, while the solid base continues forward in a straight line for deep, reliable penetration. The result is quick incapacitation on game without sacrificing the follow-up potential that deeper penetration provides.
Built for hunters who demand terminal performance across varying distances and impact velocities, Controlled Chaos rounds work in both 270 Winchester and 270 WSM chambers. The 127-grain weight and high ballistic coefficient (.429 G1) retain velocity downrange, keeping that minimum impact threshold of 1500 fps viable at extended ranges where conventional bullets often fail to expand reliably. The lead-free copper construction meets all regulations while delivering the separation and tissue damage that define this technology.
Each box contains 50 rounds ready to load into your precision rifle or hunting setup. Whether you're shooting a standard 1:9 twist barrel (the minimum for this bullet) or faster, Controlled Chaos ammunition handles velocity swings without sacrificing consistency. This is serious hunting ammunition for shooters who understand that terminal ballistics matter as much as shot placement.
Key Features
- Dual-phase construction: expanding petals for energy transfer plus solid base for deep penetration
- Lead-free copper bullet, compliant with all regulations
- High ballistic coefficient (.429 G1) for consistent downrange velocity and trajectory
- Minimum impact velocity of 1500 fps ensures reliable expansion across hunting ranges
- Compatible with both 270 Winchester and 270 WSM chambers
- Engineered for 1:9 minimum twist rate barrels
- Box of 50 rounds
Specifications
| Caliber | .277 |
| Bullet Weight | 127 grains |
| Cartridge Compatibility | 270 Winchester, 270 WSM |
| Bullet Material | Copper (lead-free) |
| Ballistic Coefficient (G1) | 0.429 |
| Bullet Length | 1.305 inches |
| Ogive Length | 0.74 inches |
| Sectional Density | 0.236 |
| Minimum Impact Velocity | 1500 fps |
| Maximum Muzzle Velocity | 5000 fps |
| Minimum Twist Rate | 1:9 |
| Velocity Sensitivity | Yes |
| Quantity | 50 rounds |
| Bullet Technology | Controlled Chaos |
Frequently Asked Questions
What rifles can I use Lehigh Defense Controlled Chaos 127gr ammunition in?
This ammunition is designed for 270 Winchester and 270 WSM rifles. Your barrel must have a minimum twist rate of 1:9 to properly stabilize the 127-grain bullet.
How does Controlled Chaos technology work?
On impact, the hollow front section of the bullet separates into petals that radiate outward, creating rapid energy transfer and a massive temporary wound cavity. Simultaneously, the solid base of the bullet continues forward in a straight line, providing deep penetration. This combination delivers both the immediate energy spike of a fragmenting bullet and the penetration reliability of a solid design.
Is this ammunition lead-free?
Yes. Lehigh Defense Controlled Chaos bullets are constructed entirely of copper and contain no lead, making them compliant with all lead ammunition restrictions.
What's the minimum impact velocity for reliable expansion?
These bullets require a minimum impact velocity of 1500 fps to expand reliably and deliver the Controlled Chaos effect. The high ballistic coefficient of 0.429 helps maintain velocity downrange, extending the effective hunting range.
