The Remington Ultimate Defense 12 Gauge 3-inch #4 Buckshot (Remington part no. 20639) is Remington’s purpose-built home-defense buckshot load, engineered with a wad system designed to keep the shot charge tighter through the barrel for a more controllable pattern than generic field buckshot. #4 buckshot throws more pellets than larger 00 or 000 buck at the cost of some individual pellet penetration, a tradeoff many home-defense shooters prefer for the tighter, denser pattern it produces at typical indoor and close-range distances. Sold in a small 5-round box rather than a bulk case, this is built to be loaded into a defensive shotgun’s magazine tube rather than burned through at the range.

Key Specifications

• Chambered for 12 Gauge, 3-inch shells, and cycles through any pump or semi-auto 12-gauge built for that chamber length.
• Shot size is #4 buckshot, a smaller buckshot size that throws more pellets per shell than 00 or 000 buck.
• This is Remington’s Ultimate Defense line, engineered with a wad system built to keep the shot charge tighter through the barrel for a more controlled pattern.
• It’s purpose-built for home defense rather than hunting or target shooting.
• The 3-inch magnum hull holds a full buckshot payload for maximum effect at typical indoor and close-range distances.
• It ships in a compact 5-round box, sized to load a defensive shotgun’s magazine tube rather than a bulk range supply.
• Cost works out to about $2.07 per round, in line with premium purpose-built defensive buckshot.
• The tighter-patterning wad system reduces the risk of stray pellets spreading wider than intended at short range, an important consideration for a home-defense load.
• It cycles through both pump-action and semi-automatic 12-gauge shotguns built for 3-inch shells.

Frequently Asked Questions

What is this load built for? It’s Remington’s Ultimate Defense line, purpose-built for home defense rather than hunting or target shooting.

Why #4 buck instead of 00 buck? #4 buckshot throws more pellets per shell, producing a denser pattern at the cost of some individual pellet penetration — a common home-defense tradeoff.

How many shells come in a box? Each box holds 5 shells, sized for loading a defensive shotgun’s magazine tube.

Buy the Remington Ultimate Defense Buckshot 12 Gauge 3-Inch #4 Buck

For a dedicated home-defense shotgun, a purpose-built buckshot load beats whatever’s left over from dove season. Order it from our Remington lineup at our Lubbock, Texas gun shop and it ships fast to your door, or browse the full shotgun shells selection for more defensive loads.