TR&Z Range Master 5.56x45mm NATO — 55 gr FMJ Boat Tail, 125-Round Box / 4-Box Case
Caliber: 5.56x45mm NATO • Bullet: 55 Grain FMJ-BT (Full Metal Jacket, Boat Tail) • Packaging: 125 rounds per box | 4 boxes per case (500 rounds total) • Intended Use: Training, zeroing, target, carbine courses • SKU: PPRM5561P • UPC: 8605003820635
Run reliable, range-proven training ammo that keeps your rifle on cadence. TR&Z Range Master 5.56 NATO 55gr FMJ-BT is built for high-volume practice, pairing the classic M193-style 55-grain boat-tail projectile with consistent, factory-fresh components for clean feeding and repeatable point of impact. Grab the handy 125-round box for weekly sessions—or step up to the 4-box case (500 rounds) for classes, drills, and season-long reps.
Why Shooters Choose TR&Z Range Master 55gr FMJ-BT
Proven Training Profile: The classic 55-grain FMJ Boat Tail offers flat, predictable flight for zero checks and realistic practice from 25 to 300 yards.
Smooth Feeding: Uniform case dimensions and polished projectiles support reliable cycling in AR-15 platforms and bolt guns chambered in 5.56 NATO.
Consistent Ballistics: Quality propellant and primers help deliver steady velocities for fewer flyers and tighter groups during long strings.
Range-Day Value: 125-round boxes optimize loading and storage; the 500-round case keeps your training uninterrupted.
Clean Operation: Modern, non-corrosive components help keep actions running during high round counts.*
*As with any ammunition, always follow your firearm manufacturer’s cleaning recommendations.
Key Features & Specs
Caliber: 5.56x45mm NATO (higher pressure than .223 Remington)
Bullet: 55 grain FMJ-BT (training/target)
Packaging: 125 rounds/box • 4 boxes/case = 500 rounds
Intended Use: Target practice, drills, zeroing, carbine and patrol courses
SKU: PPRM5561P • UPC: 8605003820635
Chamber Note: For best results, use in rifles marked 5.56 NATO or .223 Wylde. Traditional .223 Rem chambers may generate elevated pressures with 5.56 NATO ammunition—always follow your firearm manufacturer’s guidance.
Real-World Benefits
Flat, Familiar Trajectory: 55-grain BT loads make holds predictable with common AR sight heights, helping you refine mechanics, not guess dope.
Confidence on the Clock: Reliable cycling supports cadence drills, transitions, and barricade work without constant stoppages.
Lot-to-Lot Consistency: Stable POI helps you keep confirmed zeros and run clean stages in training and club matches.
Efficient Storage & Transport: 125-round boxes stack neatly in range bags and ammo cans; cases streamline bulk purchasing.
Ideal Use Cases
Carbine Classes & Qualifications: Dependable function for long training days.
USPSA/2-Gun/3-Gun Practice: Where FMJ is permitted on steel and paper.
Agency/Unit Range Days: Consistent training ammo to standardize drills.
Weekly Zero & Maintenance Sessions: Validate optics, irons, and new accessories.
Zeroing & Dope Tips
50/200-Yard Zero: A popular option for AR carbines to minimize close-range holdovers.
Chronograph Your Lot: Record a 10-shot string to refine ballistic apps for your specific barrel length.
Confirm After Changes: Recheck zero after swapping optics, muzzle devices, or adding a suppressor.
Storage & Handling
Store in a cool, dry place; avoid extreme heat and humidity.
Use ammo cans with gaskets and a small desiccant to protect against moisture.
Practice FIFO (first in, first out) to keep lots organized and consistent.
SEO Highlights (Copy & Paste)
TR&Z Range Master 5.56x45mm 55gr FMJ Boat Tail training ammunition
125-round box / 4-box case (500 rounds) bulk value
Reliable cycling for AR-15 and 5.56 NATO rifles; consistent POI for drills and zeroing
Non-corrosive components and clean-burning performance
SKU PPRM5561P • UPC 8605003820635
Frequently Asked Questions
Q: Is this 5.56 NATO or .223 Remington?
A: 5.56x45mm NATO. Use in rifles marked 5.56 NATO or .223 Wylde. .223 Rem-only chambers may experience higher pressures.
Q: Is it suitable for defensive use?
A: This is an FMJ training/target load. For personal defense or hunting, consider purpose-built expanding or barrier-blind ammo where legal.
Q: Will it work with my 1:7 or 1:9 twist barrel?
A: Yes. 55-grain bullets stabilize well in common AR twists from 1:7 to 1:9; verify accuracy in your specific rifle.
Q: Case material and primer type?
A: TR&Z Range Master uses non-corrosive primers and factory-new components. Case material can vary by production run; if case type (brass vs. steel) matters for your setup, check current product photos/specs before purchase.
Safety & Compliance
Use only in firearms that are in good mechanical condition and properly chambered for 5.56 NATO. Always follow the four rules of firearm safety and comply with all local laws regarding purchase, transport, storage, and range use.
Train with dependable performance and smart bulk value. TR&Z Range Master 5.56x45mm 55gr FMJ-BT — 125 Per Box / 4-Box Case (SKU PPRM5561P, UPC 8605003820635) keeps your AR running smoothly from zeroing to high-tempo drills—so you can focus on fundamentals and first-round hits.
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