Underwood Ammo 248 10Mm 200Gr Hard Cast Flat Nose 20 Per Box/10 Case

Underwood Ammo's 10mm hard cast ammunition delivers the penetration and reliability serious shooters demand. These 200-grain flat-nose rounds are engineered for hunters and defense-minded pistol shooters who need consistent performance through tough barriers. Each box contains 20 rounds, and the 10-case format gives you a serious supply of ammunition that's ready for the range or the field.

The standout feature here is Underwood's "Black Cherry" polymer coating—a thermal-stability upgrade that handles velocities and pressures other coatings can't match. This coating eliminates lead-to-bore contact, which means virtually no lead fouling buildup in your barrel. You get cleaner shooting sessions, less maintenance, and the ability to push these rounds hard without the residue headaches that plague uncoated lead projectiles. The coating is also self-lubricating, so feeding is smooth and consistent through any 10mm platform, including polygonal rifling common in Glocks.

Built for serious use, the Black Cherry coating resists weathering, chemical degradation, and abrasion—important if you're storing ammo long-term or shooting in variable conditions. It won't produce the plastic-burning smell some coatings do, and the flat-nose profile delivers reliable expansion and energy transfer on game or defensive targets. Whether you're loading for a Glock, 1911, or other 10mm pistol, these rounds function safely across all 10mm firearms.

If you're running a 10mm platform regularly—hunting hogs, competing, or training—Underwood's hard cast ammunition is the kind of dependable, no-nonsense choice that keeps your gun running clean and your hits consistent.

Key Features

• 200-grain hard cast projectiles with flat-nose profile for reliable penetration and performance
• "Black Cherry" polymer coating—thermally stable and resistant to high pressures and velocities
• Eliminates lead-to-bore contact to virtually eliminate lead fouling and barrel buildup
• Self-lubricating coating for smooth feeding and cycling in all 10mm platforms
• Safe to use in all 10mm firearms, including those with polygonal rifling (Glock compatible)
• Resistant to weathering and chemical degradation for reliable long-term storage
• 20 rounds per box; 10-box case format for serious shooters and frequent range visitors

Specifications

Frequently Asked Questions

Will this ammunition work in my Glock 10mm?

Yes. Underwood's 200-grain hard cast rounds are safe to use in all 10mm firearms, including Glocks with polygonal rifling. The Black Cherry coating ensures smooth, reliable feeding and cycling without lead fouling issues.

What's the benefit of the Black Cherry coating?

The coating is a polymer-based compound with superior thermal stability compared to previous coatings. It prevents lead-to-bore contact, which virtually eliminates lead fouling buildup in your barrel. This means cleaner shooting, less maintenance, and the ability to run higher velocities without residue problems.

How much ammunition is in a case?

Each case contains 10 boxes of 20 rounds each, for a total of 200 rounds per case.

Is this ammunition suitable for hunting?

Yes. The 200-grain flat-nose hard cast projectile is designed for penetration and reliable performance on game. Many hunters choose hard cast ammunition for hunting applications where consistent barrier penetration is important.