Introduction – What is the Hornady Frontier 223 Rem 55GR FMJ?
The Hornady Frontier 223 Rem 55GR Full Metal Jacket (FMJ) ammunition is a versatile, high-performance rifle round engineered to deliver accuracy, consistency, and smooth feeding in every shot. Developed by Hornady, one of America’s most trusted ammunition manufacturers, the Frontier line bridges the gap between commercial and military-grade performance — all while maintaining affordability and reliability for civilian users. This 20-round box is optimized for shooters who demand precision and dependability, whether for training, varmint control, or competitive shooting scenarios.
Key Features and Advantages
- 55-grain Hornady Full Metal Jacket bullet ensures consistent trajectory and reliable target penetration.
- Brass cartridge cases and boxer primers backed by military-grade manufacturing standards.
- Muzzle velocity of approximately 3240 feet per second (fps) from a 24” test barrel.
- Great for target shooting, tactical drills, hunting, and law enforcement training.
- Compatible with both .223 Remington and 5.56 NATO chambers.
- Clean-burning propellant reduces fouling, maintaining barrel longevity and firearm accuracy.
- Precision-loaded in the U.S.A. using state-of-the-art technology and stringent quality control systems.
Technical Specifications
| Specification | Detail |
|---|---|
| Caliber | .223 Remington |
| Bullet Type | Full Metal Jacket (FMJ) |
| Grain Weight | 55 Grains |
| Muzzle Velocity | 3240 fps |
| Muzzle Energy | 1282 ft-lb |
| Case Type | Brass |
| Primer Type | Boxer, Non-corrosive |
| Rounds Per Box | 20 |
| Country of Origin | United States |
Performance and Reliability ⚙️
Hornady’s Frontier Cartridge line sets a high standard for precision ammunition. Loaded using advanced ballistics data and tested under real-world conditions, it ensures dependable ignition, tight grouping, and low standard deviation in muzzle velocity. Whether zeroing optics, running drills, or shooting targets at 300+ yards, this ammo delivers tight shot-to-shot variation and superior feed reliability — even in high-volume AR-15 use.
When to Use
Ideal for:
- Target practice and range sessions
- Competitive shooting and plinking
- Hunting small game or varmints
- Law enforcement or tactical scenario training
The balanced load of the 55GR FMJ provides controlled recoil, making it an excellent match for all experience levels.
Usage Instructions & Best Practices 🧭
- Safety First: Always verify that your firearm is chambered for .223 Remington or 5.56 NATO rounds.
- Before Use: Inspect cartridges for debris or visible damage before loading.
- During Shooting: Maintain steady breathing, secure positioning, and consistent trigger pull to maximize precision.
- After Use: Clean your firearm to prevent carbon buildup; brass casings may be reloaded if desired.
Packaging & Storage 📦
Each Hornady Frontier box contains 20 centerfire rifle cartridges, factory-sealed for longevity and freshness. Store ammunition in a cool, dry environment, ideally below 70°F with humidity under 50%. Avoid prolonged exposure to direct sunlight or damp conditions to preserve cartridge integrity.
Safety and Legal Notices ⚠️
- Must be 18 or older to purchase rifle ammunition.
- Ensure compliance with local, state, and federal laws before purchase.
- Always wear hearing and eye protection while shooting.
- Never interchange ammunition calibers (use only with firearms chambered for .223 Rem).
- This item cannot be returned once shipped.
Why Choose Hornady Frontier at Silencer Market Place 🛒
Silencer Market Place delivers quality, authenticity, and unbeatable prices on every Hornady Frontier box. Customers benefit from:
- 24/7 customer support and expert consultation for firearms compatibility.
- Product authenticity guarantee – every box shipped factory-sealed from Hornady.
- Secure payments and encrypted checkout options for safe transactions.
- Fast nationwide delivery with climate-controlled packaging for optimal product preservation.
- Hassle-free complaint handling and replacement services.
Customer Reviews & Testimonials 💬
“Exceptional accuracy out of my AR-15! Clean burn and consistent groups at 200 yards.”
“No jams, no misfires — just reliable, American-made ammo that performs flawlessly.”
Frequently Asked Questions (FAQs) ❓
Q1: Is this ammo safe for use in a 5.56 NATO chamber?
Yes. Hornady Frontier .223 Rem 55GR FMJ is carefully designed for both .223 and 5.56 platforms.
Q2: Is Hornady Frontier reloadable?
Absolutely — it features brass casings and boxer primers for straightforward reloading.
Q3: Does this ammunition come with bulk purchase options?
Silencer Market Place offers bulk discounts and case quantities upon request — contact customer service for quotes.
Q4: Can I use this ammo for hunting?
While FMJ rounds are ideal for training and target shooting, small-game hunters appreciate the accuracy and velocity Frontier provides.
How to Buy 🛍️
Purchasing the Hornady Frontier .223 Rem 55GR FMJ 20rd from Silencer Market Place is seamless:
- Visit the product page.
- Add the desired quantity to your cart.
- Choose a payment method (Visa, Mastercard, or secure e-checkout).
- Confirm shipping address and complete your order.
You’ll receive immediate email confirmation and expected delivery tracking updates.
Conclusion: The Ultimate Choice for Value and Performance ⚡
For shooters demanding both affordability and excellence, the Hornady Frontier 223 Rem 55GR FMJ 20rd balances reliability, accuracy, and American craftsmanship. Whether you’re enhancing your range accuracy, preparing for field training, or building bulk stock for tactical sessions, this ammo delivers consistent ballistic performance every time. Now available exclusively at Silencer Market Place, where affordability meets premium quality.

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