Underwood Ammo

Underwood Ammo 10mm Auto 200gr Hard Cast Flat Nose 20Rds - 248

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SKU:
A248
UPC:
816874020897
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Underwood Ammo® 10mm Auto 200gr. Flat Nose Black Cherry Coated Hard Cast Hunting & Woods Defense Ammo – 1250 FPS – Premium Nickel-Plated Brass – 20 Rounds – SKU 248

Product Description

The Underwood Ammo® 10mm Auto 200gr. Flat Nose Black Cherry Coated Hard Cast Ammunition (SKU 248) represents the absolute gold standard in full-power backcountry ballistics, extreme straight-line tissue penetration logistics, and severe-duty wilderness defense staging, masterfully loaded in the USA. Engineered to unlock the true, uncompromising performance envelope of the 10x25mm cartridge, this heavy-hitting ammunition completely revitalizes the platform for dangerous outdoor encounters. While generic big-box commercial 10mm training ammunition is notoriously underloaded—frequently downloaded to match standard, low-velocity .40 S&W parameters and leaving outdoorsmen with a false sense of security in bear country—Underwood fields a true combat-potency load. This premium heavy-payload cartridge (816874020897) provides a critical defense asset for backcountry hikers, field researchers, and large-game handgun hunters demanding absolute stopping power against thick-skinned, heavy-boned predators.

The foundational terminal triumph of this 200-grain powerhouse relies on its premium hard cast lead alloy projectile supercharged by an advanced "Black Cherry" polymer-based coating. Moving past historical raw lead bullets that leave heavy, accuracy-destroying metal fouling inside your rifling tracks, Underwood’s artisans encase this ultra-hard bullet core in a high-tech polymer shield. The self-lubricating Black Cherry coat delivers superior thermal stability, drastically lowers mechanical friction resistance along the lands, and entirely blocks gas cutting. This specialized compound completely isolates lead-to-bore contact, virtually eliminating lead fouling and allowing marksmen to shoot blistering velocities without encountering degradation in shot-to-shot accuracy loops over high-volume wilderness protection training drills.

The true operational victory of this American-loaded masterpiece lies within its **non-expanding flat nose geometry, low-flash powder, and premium Ducta-Bright 7a nickel-plated brass cases**. Unlike traditional rounded profiles or expanding jacketed hollow points that can easily deflect off dense cartilage or dump their energy prematurely in soft tissue, the sharp flat-nose face cuts an immense, permanent crush cavity while maintaining a rigid, nose-forward straight-line vector through heavy skeletal structures. This ensures unyielding penetration through the dense muscle mass of wild hogs or aggressive black bears. Precision-loaded with advanced low-flash suppressed powder to keep your night-adapted vision completely uncompromised during low-light defensive strings, this 10mm ammunition grants you absolute ballistic authority when navigating hazardous backcountry corridors.

Includes: (1) Factory Box containing 20 Rounds of Authentic Underwood Ammo 10mm Auto 200gr Black Cherry Coated Hard Cast Flat Nose Centerfire Cartridges, Staged securely inside an Internal High-Density Organizing Tray within a Sealed Factory Original Presentation Box.

*Administrative Staging, Polygonal Rifling Compatibility & Regulatory Compliance Guidance: The Underwood 10mm 200gr Hard Cast load is a specialized, maximum-pressure field cartridge. **POLYGONAL RIFLING FITMENT CONFIRMATION:** Because Underwood’s hard cast projectiles feature an extreme Brinell Hardness rating of 21 (nearly four times harder than standard soft lead) combined with the protective Black Cherry polymer shell, **this ammunition is 100% certified safe for use in factory Glock® and H&K® polygonal rifling tracks without triggering dangerous pressure spikes or fouling deposits**. **CRUCIAL SHIPPING RESTRICTION COMPLIANCE:** Small arms ammunition faces strict transport logistics and local ordinances. Due to local municipal bans and FFL/FOID routing mandates, this ammunition cannot be shipped directly to residential drop zones in Alaska, Hawaii, Massachusetts, Washington D.C., Cook County IL, or New York City; residents in California, Illinois, and New Jersey must coordinate processing through a licensed ammunition vendor or submit valid state credentials prior to staging warehouse dispatch. Ensure your firearm is thoroughly inspected and rated for full-power 10mm Auto recoil forces before executing live field trials.

Key Features

  • Authentic Full-Power 10mm Potency: Loaded to a true, non-diluted velocity profile of 1250 FPS to exploit the full terminal ballistic capability of the 10mm Auto cartridge.
  • Advanced Black Cherry Polymer Coating: Specialized polymer compound cuts mechanical barrel drag and isolates lead surfaces, entirely ending lead fouling while omitting toxic smoke and wax odification.
  • Surgical Straight-Line Penetration: Flat-nose hard cast geometry refuses to expand or deflect, drilling clean, deep paths through heavy hide, dense fat layers, and heavy bone.
  • Polygonal Rifling Approved: Extreme 21 Brinell Hardness alloy enables flawless stabilization inside stock Glock barrels, removing the need for aftermarket traditional land-and-groove replacement barrels.
  • Ducta-Bright 7a Nickel Casings: Premium nickel-plated brass cases facilitate slick, reliable feeding and rapid extraction cycles while resisting structural corrosion from sweat or wet leather pouches.
  • Low-Flash Suppressed Propellant: Loaded with specialized flash-suppressed powders to eliminate blinding muzzle bloom, preserving the shooter's natural night vision during critical low-light field deployments.

Product Specifications

  • Brand: Underwood Ammo® (Precision loaded, chronographed, and multi-stage field tested natively in the USA)
  • Product Line: High-Performance Handgun Hunting & Backcountry Woods Defense Ammunition
  • Model Series Designation: 10mm Auto 200 Grain Black Cherry Coated Hard Cast Flat Nose
  • SKU / MPN: 248 (Alternative Industry Identifiers: UB248 / UA248 / UNDERWOOD-248)
  • UPC Barcode Number: 816874020897
  • Cartridge Caliber Class: 10mm Auto / 10x25mm Automatic Centerfire Core
  • Bullet Weight Mass: 200 Grain (200gr) Heavy Duty Projectile Weight
  • Bullet Profile Style: Hard Cast Lead Flat Nose (HCFN) Wilderness Blueprint
  • Bullet Surface Treatment: Proprietary Self-Lubricating Black Cherry Polymer Coating Matrix
  • Alloy Hardness Index: ~21 BHN (Brinell Hardness Number) Maximum Structural Rigidity Rating
  • Muzzle Velocity Benchmark: 1,250 Feet Per Second (FPS) Full-Potency Rating
  • Muzzle Energy Output: 694 Foot-Pounds (ft-lbs) Hard-Hitting Kinetic Delivery
  • Sectional Density Factor: 0.179 Uniform Longitudinal Mass Ratio
  • Cartridge Casing Engineering: Premium Ducta-Bright 7a Nickel-Plated Brass Shell Housing
  • Primer Ignition Matrix: Boxer Primed, Non-Corrosive Assembly (Fully Reloadable Casing Core)
  • Propellant Compound: Low-Flash Suppressed Clean-Burning Smokeless Powder
  • Primary Application Strategy: Dangerous Game Protection, Woods Defense, Hog Hunting, Backcountry Carry
  • Package Volumetric Quantity: 20 Loaded Cartridges Per Box // 10 Boxes Per Master Case