Fact-Checking Biden: Does 9mm Ammo Really Blow Lungs Out?

content: The Ballistic Reality of Lung Injuries

President Biden’s claim that "a 9mm bullet blows the lung out of the body" sparked national debate. We analyzed ballistic tests from firearms experts Garand Thumb and Iraqveteran888, combined with medical insights from orthopedic surgeon Dr. Chris Raynor. The evidence reveals a critical mismatch between political rhetoric and terminal ballistics science.

Ballistic gelatin tests show no lung expulsion occurred with any ammunition type tested, including 9mm full metal jacket (FMJ), hollow points, .223 rounds, or 12-gauge slugs. Instead, bullets created predictable wound channels consistent with medical literature on penetrating thoracic trauma.

Testing Methodology and Medical Correlations

Firearms experts used synthetic torsos with simulated ribs and lung tissue—identical to military wound pattern studies. Dr. Raynor explains: "Human lungs are spongy, air-filled organs surrounded by pleural membranes. Their elasticity prevents 'blowing out' like a balloon. Even high-caliber rounds cause tearing or fragmentation, not organ ejection."

Key findings from controlled tests:

1. 9mm FMJ rounds consistently passed through lung simulants with minimal expansion, leaving entry/exit wounds differing by less than 0.5cm.
2. Hollow points expanded as designed but remained embedded or exited with controlled tissue damage.
3. .223 rounds (similar to AR-15 ammunition) created massive temporary cavities yet left lungs anatomically intact.
4. 12-gauge slugs bisected lung tissue but didn’t separate organs from thoracic cavities.

content: Anatomy vs. Terminal Ballistics

Why Lungs Resist Catastrophic Failure

Lung tissue consists of bronchioles and alveoli suspended in elastic fibers—structurally comparable to memory foam. When struck:

• Tissue compresses around the projectile rather than explosively failing
• Ribs and pleural membranes contain damage
• Energy dissipates through hydrostatic shock

Medical reality: Gunshot victims suffer pneumothorax (collapsed lung) or hemothorax (blood in pleural space), treatable with chest tubes in 80% of cases. Dr. Raynor notes: "I’ve treated dozens of thoracic GSWs. Survival depends on bullet path, not caliber hyperbole. A .22LR severing the subclavian artery is deadlier than a 9mm through peripheral lung tissue."

Ammunition Design Matters More Than Caliber

Terminal performance analysis:

• FMJ rounds penetrate deeply with minimal energy transfer, increasing over-penetration risks
• Hollow points maximize tissue damage while reducing exit potential
• NATO-spec 9mm (tested by Garand Thumb) exited simulated torsos with wounds under 1.5cm diameter

Contrary to claims, FBI ballistics data shows 9mm hollow points have comparable "stopping power" to .40 S&W with lower recoil—explaining its adoption by 70% of U.S. police departments.

content: Medical Treatment Realities

Trauma Response Protocols

Gunshot lung injuries follow predictable treatment pathways:

1. Field stabilization: Needle decompression for pneumothorax
2. Hospital care: CT scans to locate bullet fragments
3. Surgical intervention: Required only for vascular damage or bronchial tears

Critical insight: Retained bullets are often left in place if extraction risks outweigh lead toxicity concerns. Dr. Raynor emphasizes: "I’ve never seen a 'lung blown out' in 12 years of trauma surgery. Biden’s description matches shotgun suicides, not defensive handgun wounds."

Caliber Misconceptions in Public Discourse

Ballistic science confirms:

• No commercial ammunition "blows organs out"
• Tissue destruction correlates with bullet design, not caliber alone
• Shot placement remains the primary survival factor

Law enforcement context: U.S. Secret Service recently adopted 9mm handguns, contradicting claims of inherent lethality. As firearms instructor Iraqveteran888 demonstrated, even .308 rounds failed to eject lungs from ballistic dummies.

content: Actionable Takeaways

Responsible Gun Ownership Checklist

1. Ammo selection: Choose hollow points for self-defense to minimize over-penetration
2. Training focus: Practice shot placement under stress scenarios
3. Medical prep: Keep chest seals and tourniquets in range kits
4. Legal awareness: Understand local laws regarding ammunition types

Recommended Expert Resources

• Ballistics: Applied Ballistics for Long-Range Shooting (Bryan Litz) for hydrodynamic impact data
• Medical: ATLS Advanced Trauma Life Support manual for GSW protocols
• Training: Fieldcraft Survival’s ballistic gelatin workshops for visual learning

Truth in dialogue matters. As Dr. Raynor concludes: "Solving gun violence requires evidence-based policies, not anatomical impossibilities."

When comparing ammunition types, which terminal performance factor matters most to your use case? Share your ballistics priorities below.