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Shotgun

What Is the Best Shotgun Setup for Home Defense?

Quick Answer

The best home defense shotgun is a 12-gauge or 20-gauge pump or semi-auto with an 18 to 20-inch barrel, cylinder bore (no choke), a weapon-mounted light, and loaded with 00 buckshot (12-gauge) or #3 buckshot (20-gauge). Top choices: Mossberg 590A1 ($550), Mossberg 500 Tactical ($400), or Beretta 1301 Tactical ($1,300 for semi-auto). Keep it simple, reliability and a light are more important than every tactical accessory.

What This Means for Your Shotgun

A properly configured shotgun is one of the most devastating close-range defensive tools available. At home defense distances (5 to 15 yards), a charge of 00 buckshot delivers the equivalent energy of being hit by multiple handgun rounds simultaneously. However, a shotgun requires proper setup, ammunition selection, and training to be effective, a poorly configured shotgun with the wrong ammo can over-penetrate walls or fail to pattern effectively.

The Detail

Home defense shotgun configuration:

Barrel:
- Length: 18 to 20 inches (18 inches minimum by federal law, 18.5 is most common)
- Choke: cylinder bore (no choke restriction) for widest spread at close range
- Bead sight or ghost ring sights: ghost rings are better for slug accuracy if needed

Ammunition selection:
- 12-gauge 00 buckshot: 8 to 9 pellets of .33 caliber, 1,200 to 1,300 fps
- Federal FliteControl 00 buck: tightest patterns, reduced spread, best choice
- Hornady Critical Defense 00 buck: Versatite wad, tight patterns
- 12-gauge #4 buckshot: 21 pellets of .24 caliber, less wall penetration
- Better for apartments or thin-walled homes
- 20-gauge #3 buckshot: 20 pellets of .25 caliber
- Federal Personal Defense #3 buck: excellent 20-gauge defensive load
- Slugs: keep 2 to 3 on the gun (side-saddle) for barrier penetration if needed
- Birdshot: NOT recommended for home defense, insufficient penetration at any distance

Accessories (in priority order):
1. Weapon-mounted light (non-negotiable):
- Streamlight TL-Racker ($125): replaces the forend, integrates the light
- Streamlight ProTac Rail Mount ($100): clamp-on with pressure switch
- Surefire DSF-500/590 ($300): premium, integrated forend light

2. Side-saddle shell carrier:
- Holds 4 to 6 extra shells on the receiver
- Allows quick access to slugs or extra buckshot
- Esstac shotgun cards, Aridus Industries Q-DC, Mesa Tactical

3. Sling:
- Allows hands-free while keeping the shotgun accessible
- Magpul MS1 or MS4 adapted for shotgun
- Single-point or two-point, either works

4. Recoil pad or stock upgrade:
- Magpul SGA stock: adjustable length of pull, better recoil pad
- Limbsaver recoil pad: slip-on, reduces felt recoil significantly

What to avoid on a home defense shotgun:
- Pistol grip only (no stock): almost impossible to aim accurately under stress
- Excessive barrel length (over 20 inches): unwieldy indoors
- Birdshot as defensive ammo: will not reliably stop a threat
- Magazine tube extensions without spring upgrades: can cause feeding issues
- Every possible rail attachment: adds weight, slows handling

Training priorities:
- Loading and unloading quickly
- Pump action manipulation (short-stroking is the most common pump shotgun malfunction)
- Recoil management
- Pattern testing with your chosen ammunition at 5, 10, and 15 yards
- Transitioning from buckshot to slug if needed

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Build Impact

Set up your home defense shotgun and leave it configured. Load the tube with buckshot, keep 4 to 6 extra shells in a side-saddle (mix of buckshot and slugs), and stage it in a quick-access location. Do not store it with the action closed on a loaded chamber, store with the tube loaded, chamber empty, action closed, safety on. To deploy: rack the action to chamber a round, safety off when on target. Practice this sequence until it is automatic.

Check your state's shotgun laws

SBS rules, barrel length requirements, and magazine limits vary by state. Look yours up.

Open Law Database

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