Description
The Remington Nitro Mag brings proven magnum power to the 20 gauge in a load that delivers real knockdown on upland game. This 3-inch shell is built around the concept that you don't need a 12 gauge to get the job done if you're shooting smarter. With 1-1/4 ounces of specially hardened lead shot in #4, you get enough pellets for consistent patterns while maintaining the recoil you can actually manage all day in the field.
Remington's Power Piston Wad and Buffering System
What separates this load from basic birdshot is the engineering inside. The shot column is packed with polymer buffering that absorbs the shock of firing. This cushioning keeps pellets round and hard as they travel down the barrel, which means less deformation and tighter patterns. The whole setup is wrapped in Remington's patented Power Piston wad – a one-piece design that protects the shot charge all the way through and separates it from the powder gases. This delivers the kind of pattern density you need when pheasants are flushing at distance.
Velocity and Performance for Upland Birds
Loaded to 1185 fps, these shells have enough zip to reach out to typical upland ranges without excessive recoil. The #4 shot size is the sweet spot for pheasant and similar-sized game where pellet count and impact energy need to balance. Hunters using choked guns will appreciate the tight, uniform patterns this load produces. Whether you're working thick cover or taking longer passes, the Nitro Mag standard is consistent box to box, round to round.
You get 25 rounds per box, making it practical for a full day in the field or stocking up before the season.
Key Specifications
- Gauge: 20 Gauge
- Shell Length: 3 inches
- Shot Weight: 1-1/4 ounces
- Shot Size: #4
- Shot Type: Lead
- Muzzle Velocity: 1185 fps
- Rounds per Box: 25
- Wad System: Power Piston with polymer buffering
- UPC: 047700014104
- Manufacturer Part Number: 20672
What’s Included
- 25 rounds of Remington Nitro Mag 20 gauge 3-inch shells
Frequently Asked Questions
What game is the Remington Nitro Mag 20 gauge #4 best suited for?
This load is designed for upland birds like pheasant and is a solid choice for turkey when used with proper choke tubes. The 1-1/4 ounce payload of #4 shot provides the pellet count and energy needed for clean, humane kills on medium-sized upland game. For waterfowl, you'll need to use non-toxic shot instead of lead.
How does the Power Piston wad improve performance?
The Power Piston wad cushions the shot column with polymer buffering to keep pellets as round and hard as possible during barrel travel. Less deformation means tighter, more uniform patterns that stay together better downrange. This engineering also separates the propellant gases from the shot, protecting barrel integrity.
Will Remington Nitro Mag shells work in any 20 gauge shotgun?
These 3-inch shells require a 20 gauge shotgun chambered for 3-inch shells. Always check your gun's markings to confirm it's rated for 3-inch shells. Many older or lighter 20 gauge shotguns are only chambered for 2-3/4 inch shells, which is important to verify before purchasing.
How does the #4 shot size compare to other options?
Number 4 shot is larger than #6 or #7-1/2 but smaller than #2. For pheasants, especially at longer ranges, #4 offers a good balance of penetration and pellet count. Some hunters prefer #6 for tighter patterns in dense cover, while #2 is used mainly for waterfowl with steel or tungsten shot.




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