What happens if you put a 20 gauge shell in a 12-gauge shotgun?
Rachel Ellis
Published Jan 14, 2026
Smaller shotshells (such as 20-gauge shells), if mistakenly fed into a 12-gauge gun, will slip past the chamber and lodge in the barrel, causing serious personal injury or gun damage if a 12-gauge shell is loaded and fired.
Can you put a 20 gauge barrel on a 12 gauge?
t. As DD said, nope, it will not fit. Hmm, I never knew that. I am aware of the 20's that were built on larger 12 gauge receivers but, I wasn't aware that those barrels would fit on any old 12 gauge receiver either.
Is a 20 gauge shotgun shell bigger than a 12 gauge?
In a 20 gauge, it will take 20 balls of equal size and weight to equal one pound of shot. Because the individual pieces contained within a shotshell are bigger in a 12 gauge than in a 20 gauge, 12 is bigger than 20.
Does the size of a shotgun shell matter?
The length of the shell is another very important number. Not all lengths will feed in all shotguns. The common lengths are 2-3/4 inches, 3 inches, and 3-1/2 inches. The longer the shell, the more shot pellets and powder it can contain.
Can a 12 gauge shoot 16 gauge shells?
Absolutely! As a matter of fact, it will shoot ALL shotgun gauges, as well as most rifle calibers also.
24 related questions foundWhat's the difference between 12-gauge and 20?
The difference between 12 and 20-gauge shotguns is their bore diameter. A 12 gauge has a bore diameter of 0.729” compared to 0.615” for 20 gauge. This means that a 12 gauge can fire larger payloads of buckshot at higher muzzle velocity at the cost of higher felt recoil.
What is a 20 gauge shotgun good for?
20-gauge shotguns are especially suitable for hunting game birds such as quail, grouse, turkey, and other game when using shot shells. A 20-gauge can also shoot slugs and buckshot and thereby become an effective deer-hunting gun.
Can a shotgun shoot any length shell?
If your shotgun is marked “12-gauge 2¾-inch” you may safely fire 2½- and 2¾-inch 12-gauge shotshells, but not the 3- or 3½-inch. If, on the other hand, your shotgun is marked for 3½-inch shells, you can safely fire any of the 12-gauge shells.
What does 7 shot mean on shotgun shells?
#7 Steel Shot Ammo: #7 Steel Shot Explained
#7 shot is primarily used for target shooting, clays and medium-sized birds like grouse, partridge, quail, and snipe. Old-timers will usually refer to #7 and #7.5 as “dove shot,” because it excels at hitting birds and small animals that are roughly the size of a large dove.
What are blue shotgun shells?
True Blue refers to vintage Peters High Velocity shotgun shells. The connection here is color of the shell which, of course, is midnight blue. Thus true blue. There are many reasons why these shells are so collectible, so let's get right to our dialogue.
What is a 410 gauge shotgun used for?
. 410 shotguns loaded with shot shells are well suited for small game hunting and pest control; including rabbits, squirrels, snakes, rats, and birds. A . 410 loaded with 1/4 ounce slugs is effective against larger animals such as coyotes and deer.
Is 20 GA good for home defense?
It's always been overshadowed by the more popular and more powerful 12 gauge, but there's nothing wrong with relying on a 20 gauge shotgun to defend your home. At close range, 20 gauge buckshot is typically just as effective as 12 gauge, but it can have a lot less recoil.
Can all shotguns shoot slugs?
As a general rule of thumb, and we all know there are exceptions to the rule, you can shoot a slug out of a shotgun barrel that has a choke if you are using a modified choke or larger.
Why should you clean your firearm after each use?
Clean your firearms after every use to keep them in top condition. This will help ensure that the action functions safely and properly and the ammunition performs as it should. Work on a cleared table or bench. Always give cleaning your full attention.
When firing a handgun How far away should you hold it from your body?
When firing a handgun, how far away should you hold it from your Body? At an arm's length. You just studied 22 terms!
When firing a handgun How far should you hold it from your body?
When a revolver is fired, powder flashing at the front of the cylinder can cause burns. Be sure to keep your fingers away from the front of the trigger area. The slide and hammer of a semi-automatic gun can deliver a bruising blow when held too close to the body. All handguns should be fired at arm's length.
What does 9 shot mean for shotgun shells?
#9 Shot. Federal 12 Gauge 2-3/4 Inch Shell, 9 Shot, 1145 Velocity, Shot At 25 Feet. At only 0.08 inches of diameter per pellet, #9 shot is one of the smallest sizes you'll find. Large birds are not good for this load. Clay pigeons make better targets.
What 12 gauge ammo is best for home defense?
The Fiocchi Nickel-Plated Buckshot, 12 gauge shotgun ammo, is ideal for home defense and hunting purposes. Its nickel-plated bullets tend to choke tighter and deliver a consistent shot pattern when shot. Its nickel-plated buckshot shells own very heavy-duty design shotgun requirements.
Is there a 4 gauge shotgun?
The . 410 is named for its nominal bore size, and is not a gauge at all. A 4 gauge shotgun would have a diameter of 1.052″. Compared the 12 gauges .
What is a birdshot shotgun?
As the name implies, birdshot is designed for shooting birds. The smaller size of pellets in each shotshell means that there are more of them in each cartridge. This increases the likelihood of hitting your intended target, but with the benefit of each individual piece of shot inflicting less damage.
What's the longest shotgun shell?
This video shows what must be the world's largest shotgun shell: the 120mm canister round designed for the cannon of an M1 Abrams tank. The 50 pound shell contains 1150 . 40 caliber tungsten pellets launched at 4500 fps, with an effective range of 500 yards.
What is the average length of a shotgun shell?
Shotshells are typically made in two popular lengths: 2¾ and 3 inches (including 3-inch Magnum). You can also find 3½-inch turkey loads. On the other extreme, shotgun shells are made in 2-inch and 2½-inch lengths and are typically used in vintage shotguns.
Can a 12-gauge shotgun shoot 20-gauge shells?
There is no way you can put a 12 gauge shotgun shell in a 20 gauge shotgun, however, it is possible to load a 20 gauge shotgun shell in a 12 gauge shotgun. Where the danger comes in is the 20 gauge shell will drop down into the barrel of the 12 gauge and stick, and then a 12 gauge shotgun shell will chamber.
Is 20-gauge or 12-gauge ammo cheaper?
Similarly, 20-gauge shells are typically less expensive than 12-gauge shells. Many people prefer the 20-gauge when target shooting because of the recoil advantage. It doesn't bruise your shoulder as bad since its a lighter gauge load.
Is a 12-gauge shotgun powerful?
12 Gauge - Roughly 50% of shotgun sales in the United States are 12 gauge. It's the most versatile of all the gauges with a large variety of ammunition choices. The 12 gauge is powerful enough to hunt most types of game, yet it's not as heavy as a 10 gauge.