Slugs for Home Defense: Almost Always No

A slug is one very large, very capable projectile. Inside walls, that is not the compliment it sounds like.

Why this one gets a flat "almost always no"

Most shotgun guidance is "it depends." On slugs, the answer for typical homes is closer to "no." A slug is a single projectile. The Federal Premium TruBall Deep Penetrator HP slug is listed as a 12-gauge, 2 3/4-inch, one-ounce load, and the "Deep Penetrator" in its name is meant literally.

That design is excellent for what slugs are for: precision at distance, and penetrating large animals. It is not what you want to be sending through the wall of a room with sleeping people on the other side.

Penetration, in plain terms

We do not have lab data to quote and we will not invent any. Here is what is widely understood, and what you can verify in published informal tests such as the long-running Box O' Truth wall series:

• Interior walls in most houses are drywall over wood or metal studs, and drywall stops very little.
• Common defensive loads of all types, from handgun hollow points to buckshot, can pass through several layers of drywall.
• A heavy, single projectile is the type of load that tends to penetrate the most. That is its job.

So a slug can pass through the person it hits and keep going, through the next wall and beyond. That is the central argument against it for indoor use, and it is the same reason our buckshot buyer's guide keeps slugs for specific needs, not as the default.

It is worth being fair about the other side of the argument. Buckshot also penetrates walls. There is no wall-safe defensive load. The difference is a matter of degree and of risk management: a slug concentrates all of its energy into one object that can travel a long way, while buckshot spreads that energy into several smaller pellets that each carry less. Neither should be used without knowing what is behind your target.

The accuracy argument, and why it does not rescue the slug indoors

Proponents of slugs often point to precision. A slug can, in the right gun and with the right sights, hit a small target at a distance buckshot cannot reach. That is true. It also describes a situation that rarely occurs inside a house, where distances are measured in feet. At home-defense distances, a buckshot pattern from a well-tested gun is already compact. Our companion piece on Power-Shok versus FLITECONTROL shows how to measure it for yourself.

For general information about slug accuracy outside the house, our sister site BulkAmmoFinder has an article on shotgun slug accuracy.

When rural owners might think differently

The picture changes in a handful of situations, and it is only fair to describe them honestly.

These are narrow cases. A rural owner whose main concern is intruders inside the house faces the same walls and the same household as anyone else. Distance only helps if the shooting actually happens at distance.

If you decide to keep slugs anyway

• Check compatibility with your barrel. Slug performance depends on barrel type and choke. Some slugs are designed for rifled barrels and others for smoothbores. Follow the maker's guidance.
• Zero or test it. A slug will print differently from buckshot. Learn where it hits with your sights.
• Label and separate it. Keep slugs in a different container so you never mistake them for your defensive buckshot.
• Practice the load change. If you intend to switch loads under stress, practice it with an instructor. Many trainers advise against designs that require decisions in a crisis.
• Think about backstops. A slug can travel much farther than buckshot, so your range planning and your home layout matter.

What most households should do instead

1. Choose a proven 00 buckshot load and keep it consistent in the gun.
2. Pattern it at distances that match your home.
3. Equip a light so you can identify who is in front of you.
4. Plan your positions and your shooting lanes. Our apartment home-defense guide covers walls and neighbors, and the same thinking applies to any home.
5. Store the gun and ammunition securely. A locked cabinet or safe keeps the gun from becoming the problem.

If overpenetration worries you, the answer is rarely a different shotgun load. It is better preparation, which means identification, accuracy, positioning and, for some households, a different type of firearm. Our 9mm ammunition and walls guide discusses the handgun side of the same problem.

Bottom line

Slugs are a capable load for specific jobs and a poor default for a house. If you are standing in a hallway with children in nearby rooms, you want a load you have patterned, a target you have identified and a plan that does not depend on penetration. For almost every household, that means buckshot, not slugs.

Editorial note: This is an independent editorial overview built from manufacturer specifications and publicly available information. We have not performed hands-on testing of the products discussed, and nothing here is a performance guarantee. Verify specifications, compatibility and legality for your own situation.

Affiliate disclosure: Some links on this page are affiliate links to Ammunition Depot. We may earn a commission if you buy through them, at no extra cost to you. Our editorial choices are not influenced by commissions. Check current price, stock and specifications directly with the retailer.