Description
Underwood Ammo 452 Maximum Expansion chambered in .300 AAC Blackout is loaded with 194 gr hollow point bullets and comes in 20-round boxes. This load is optimized for pistol-length barrels, with velocity tuned for that barrel length. The projectile uses Lehigh Maximum Expansion technology, designed to expand through hydraulic energy after entering a fluid-based medium.
Key features
- 194 gr hollow point bullet
- Maximum Expansion Technology by Lehigh
- Optimized for pistol-length barrels
- Engineered to expand in fluid-based mediums
Product details
Maximum Expansion bullets are intended to expand by maintaining large, cutting surface petals. The expansion behavior differs from traditional jacketed bullets, which typically mushroom quickly after impacting hard surfaces.



