Rio Royal Buck 12 Gauge 2¾” #4 Buckshot 21 Pellets 1345 FPS – 5 Rounds

Rio Royal Buck 12 Gauge 2¾” #4 Buckshot 21 Pellets 1345 FPS – 5 Rounds is a high-performance buckshot load built for dependable penetration, effective coverage, and consistent real-world results.
When you need buckshot that performs the way it should—reliably, consistently, and with confidence—Rio Royal Buck is built to deliver. Developed with input from experienced hunters and professionals, this load is engineered for pellet consistency, dependable penetration, and strong terminal performance when the shot matters.

This 12-gauge 2¾-inch shell is loaded with #4 buckshot in a 21-pellet configuration, providing excellent target coverage while maintaining the kind of pellet energy many hunters prefer for deer-sized game at practical distances. With a listed muzzle velocity of 1,345 FPS, it offers a fast, decisive performance profile that helps deliver dependable downrange energy and consistent shot-to-shot results.

Whether you’re preparing for deer season, setting up a hunting shotgun, or simply stocking quality buckshot for lawful field use, Rio Royal Buck delivers proven performance in a straightforward, no-nonsense package—built by Rio Ammunition and trusted by shooters who demand results.

Inspired Gallery

This image was created to reflect the spirit of American heritage, preparedness, and tradition. Set against a weathered workbench with an American flag in the background, the Rio Royal Buck #4 Buckshot represents reliability rooted in time-tested values. Though crafted with modern precision, the scene honors the legacy of those who relied on dependable tools to protect home, land, and family. It’s a tribute to strength, responsibility, and the enduring connection between craftsmanship and freedom.

A4F TACTICAL

We are military veterans serving the American people.

Quick Specs

• Gauge: 12 Gauge

• Shell Length: 2¾ inches

• Buckshot Size: #4 Buck

• Pellet Count: 21 Pellets

• Muzzle Velocity: 1,345 FPS

• Rounds Per Box: 5

• Application: Deer Hunting / Buckshot Field Use

Detailed Specifications

• Brand: RIO

• Brand Family / Product Line: Royal Buck

• Gauge: 12 Gauge

• Shell Length: 2¾”

• Shot Type: Buckshot

• Buckshot Size: #4 Buck

• Pellet Count: 21 Pellets

• Velocity: 1,345 FPS

• Case Material (Hull Type): Plastic

• Rounds Per Box: 5

• California Prop 65: Yes

• Intended Use: Deer hunting, lawful hunting applications, field use

Warnings & Legal Notices

California Proposition 65 Warning:
⚠️ This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Lead Warning:
Handling ammunition and discharging firearms may result in exposure to lead and other substances known to cause health risks. Wash hands thoroughly after handling.

Age Restriction:
You must be 18 years or older to purchase shotgun ammunition.

Safety Notice:
Always follow all firearm safety rules. Use only in firearms chambered for 12 Gauge 2¾” shells. Wear appropriate eye and hearing protection.

Trademark Notice:
All brand names, trademarks, and logos are the property of their respective manufacturers.

Image Disclaimer:
Product images are for illustrative purposes only. Actual packaging may vary.

Final Notes

A fast, effective #4 buck load with a 21-pellet configuration—ideal for hunters who want balanced spread, dependable penetration, and consistent performance from a 12-gauge 2¾” shell.

Inventory & SKU Information

• A4F Tactical Internal SKU: A4F-RIO-RB1221-12-4B

• Manufacturer SKU: RB1221

• UPC: 8435101618687