.500 caliber, 240gr Controlled Fracturing® Lead-Free Subsonic Hunting Air Rifle Bullets

100 % of 100

boxicon 20 / Box

Lehigh originated Controlled Fracturing Technology. These bullets are designed to deliver maximum terminal performance. Controlled Fracturing bullets are produced from either solid copper or solid brass and are pre-stressed at specific points so that after a predetermined penetration depth, the razor-edge petals deploy, releasing an energy spike and then separate and radiate outward from the primary path of the bullet. The bullet shank, now back to bore diameter, continues penetrating straight and deep along the initial impact path.

Unlike traditional expanding bullets which mushroom and dramatically limit the bullet's penetration and provide only one wound path, Lehigh's Controlled Fracturing ammunition creates an initial energy transfer, multiple wound paths, and a deep penetrating base – a far more effective bullet.

Controlled Fracturing bullets are available in the following caliber diameters: .308 and .355

Solid copper Controlled Fracturing bullets meet the criteria of states and jurisdictions calling for lead free projectiles.

Our Partners

Please visit one of our partners to purchase bullets for reloading, or already loaded ammunition. All links will redirect you off of the Lehigh Defense website so you can complete your purchase with our partners.

Bullets Manfacturing Process
The manufacturing process used to produce the projectile.
Box Quantity 20
Velocity Rating Subsonic
Best Used For
The Primary or Secondary intended use for the projectile: Hunting, Defense, Target/Competition, Military, Law Enforcement.
Bullet Technology
The technology used when designing the projectile. For additional information on our technologies, please see our Technology Page.
Controlled Fracturing®
Bullet Caliber 0.5
Bullet Weight (gr)
The weight of the projectile in grains.
Bullet Length
Bullet Length in inches
Bullet Material
The primary material used to produce the projectile.
Velocity Sensitivity Yes
Ballistic Coefficient (G1) 0.172
Notes Air Rifle use only. Note: Skirt may be damaged in shipping. Place slug on a hard surface and reform skirt with a pencil or pen.
Gun Type Air Rifle
Bullet Minimum Velocity (fps)
The Minimum Velocity required to obtain Terminal Performance.
Bullet Maximum Velocity (fps)
Bullet MThe Maximum Velocity that the projectile can withstand without structural or performance failure.aximum Velocity (fps)
Sectional Density 0.137
Cartridge Airgun
Lead Free Bullet Yes
Lead Free Ammo CHANGED
Manufactured By Lehigh Defense, LLC
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