Description
Product Overview
The PMC Ammunition X-Tac Brass 5.56 NATO 55-Grain 20-Rounds FMJBT is a purpose-built, full metal jacket boat tail (FMJBT) cartridge designed for consistent, reliable performance. This ammunition is engineered for shooters who demand a dependable round for high-volume training, tactical practice, and general range use. Loaded to standard 5.56x45mm NATO pressure specifications, it is suitable for use in both .223 Remington and 5.56 NATO chambered rifles, including the popular AR-15 platform. Each box contains 20 rounds of 55-grain ammunition, offering a practical quantity for range sessions. Whether you’re a recreational shooter, a competitor honing your skills, or a responsible citizen maintaining proficiency, this X-Tac offering from PMC provides a robust and cost-effective solution.
Key Features
- 5.56 NATO Specification: Loaded to true 5.56x45mm NATO pressure and velocity profiles, ensuring reliable cycling and consistent performance in modern semi-automatic rifles.
- 55-Grain Full Metal Jacket Boat Tail (FMJBT) Bullet: The classic 55-grain projectile features a lead core fully encased in a copper jacket. The boat tail design enhances aerodynamic efficiency for a flatter trajectory and improved accuracy at distance.
- Reliable Boxer-Primed Brass Cases: Manufactured with high-quality, reloadable brass cases and non-corrosive Boxer primers for consistent ignition and durability.
- X-Tac Propellant Blend: PMC’s proprietary propellant is formulated for clean burning, which helps reduce fouling and maintain your firearm’s performance over extended shooting sessions.
- 20-Round Practical Packaging: The 20-round box is a convenient size for range trips, allowing for easy transport and inventory management without the bulk of larger cases.
- Quality Control: Each round undergoes stringent inspection to meet consistent dimensional and pressure standards, contributing to its reputation for reliability.
Performance & Applications
This ammunition is tailored for specific, practical shooting disciplines where reliability and value are paramount.
High-Volume Training & Range Practice: The primary application for this 55-grain load is training. Its consistent pressure and clean-burning characteristics make it an ideal choice for putting hundreds of rounds downrange to build muscle memory, practice drills, and maintain fundamental marksmanship skills without the cost associated with match-grade ammunition.
Tactical & Defensive Skills Development: For those who use an AR-15 platform for home defense or duty, training with ammunition that mimics the performance of your defensive loads is crucial. The X-Tac’s 5.56 NATO specification ensures similar recoil impulse and cycling behavior, allowing for realistic practice of manipulations, reloads, and shot placement under simulated conditions.
General Plinking & Recreational Shooting: As a robust and affordable factory-loaded option, it is perfectly suited for casual target shooting. The 55-grain bullet weight offers manageable recoil, making it a comfortable round for shooters of all experience levels to enjoy a day at the range.
About PMC
PMC (Precision Made Cartridges) is a globally recognized ammunition manufacturer with a decades-long history of supplying military, law enforcement, and civilian markets. Founded in Korea, PMC operates state-of-the-art production facilities that adhere to rigorous NATO-quality manufacturing standards. Their expertise is demonstrated through a vertically integrated process—from brass drawing and bullet fabrication to propellant selection and final assembly—all under one roof. This control over the entire production chain is a key factor in the consistent performance and reliability of their products, including the X-Tac line. For shooters seeking a proven, no-nonsense ammunition from a brand with substantial institutional knowledge, PMC represents a trustworthy source.
Why Buy From F1 Firearms AR-15
Selecting a reputable retailer is as important as choosing the right ammunition. Based in Spring, TX, F1 Firearms AR-15 is a specialist in the modern sporting rifle platform. Their team possesses in-depth, practical knowledge of the AR-15 and its components, including the ammunition it fires. When you purchase from them, you’re dealing with experts who understand the technical nuances of products like the PMC X-Tac and how they interact with your firearm, whether it’s a factory rifle or a custom build like their own F1 Firearms FDR-15. They focus on providing vetted products that meet the functional needs of serious shooters.
Make Your Decision
The PMC Ammunition X-Tac Brass 5.56 NATO 55-Grain FMJBT stands as a solid, workmanlike choice for the practical shooter. It delivers the reliable function and consistent performance required for effective training and recreational use, backed by a manufacturer with a proven track record. If your priority is a cost-effective, NATO-specification round that will cycle your AR-15 platform reliably shot after shot, this offering deserves strong consideration. Assess your needs for training volume, platform compatibility, and performance expectations—this ammunition is designed to meet them without unnecessary complication or expense.
Technical Specifications
Frequently Asked Questions
What warranty is included?
PMC stands behind this product with their manufacturer warranty.
Who is this product for?
This is ideal for discerning buyers who prioritize quality and reliability.
What makes this product stand out?
The PMC Ammunition X-Tac Brass 5.56 NATO 55-Grain 20-Rounds FMJBT combines quality construction with reliable performance, offering exceptional value.
Is this a quality product?
PMC has built their reputation on quality, and the PMC Ammunition X-Tac Brass 5.56 NATO 55-Grain 20-Rounds FMJBT exemplifies that commitment.

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