What is purpose of vent rib on shotgun barrel?

What is purpose of vent rib on shotgun barrel?

Vent ribs are almost universal these days, and they are supposed to help dissipate heat and dampen mirage. In reality, a solid rib makes more sense for most field shooting, where we rarely shoot enough to heat our barrels.

What is the best barrel length for a Remington 870?

This Remington 870 barrel is Constructed from ordnance grade 4140 steel. Chrome lined bores makes these barrels better than factory ones. 18.5” barrel length is the most popular choice for home defense shotgun.

What is a swamped rib?

Swamped Rib. Swamped Rib – A minimalist, smooth, concave, practically hidden, top rib on a side-by-side gun that connects the two barrels together, but provides no obvious extra aid to pointing—leaving the whole silhouette of the barrels themselves as the shooter’s frame of reference.

How long is a Remington 870 with a 28 inch barrel?

Overall Length: 48.5 in.

Should you ever look down the barrel of a gun?

There are a few instances when it’s acceptable to look down the barrel. If you are competent with the firearm you are handling, you have cleared the weapon, and it has not left your possession, then it is safe to look down the barrel. Another instance when you can inspect the barrel is when the weapon is disassembled.

How much Rib do you see?

How many ribs do humans have? The vast majority of people are born with 12 pairs of ribs, for a total of 24, no matter their sex. The exception to this anatomy rule are people born with specific genetic anomalies. These can take the form of too many ribs (supernumerary ribs) or too few (agenesis of ribs).

Can you shoot a slug through a Remington 870?

You can shoot slugs through modified and full chokes, you just don’t get the best accuracy. Rifled slugs are designed to shoot through choked barrels. Do not try to shoot slugs through an extra full turkey choke, as they are too tight.

How far will a 12 gauge shotgun slug travel?

A slug also becomes increasingly inaccurate with distance; out to 100 yards, it drops approximately 5″ and has a maximum range of approximately 400 yards. In contrast, centerfire projectiles from rifles can travel miles. Shotgun slugs are best suited for uses over short ranges.

How long should a barrel be for a vent rib barrel?

The barrel used in this post is a Remington Express 28″ vent rib barrel. Cutting a vent rib barrel requires a little more planning than a plain barrel. The new crown needs to land on one of the rib bases. If not, the unsupported rib will bend and the finished product would look awful. I’d like this barrel to be around 18″ long.

What is a 28″ vent rib shotgun good for?

A 28″ vent rib shotgun is great for the duck blind or goose hunting, but too long for many other hunting and sporting applications. In this post, we will look at how a vent rib shotgun barrel is cut and crowned (a screw in choke system will be installed as well). All lathe work is conducted on a Grizzly gunsmith’s lathe.

How do you drill a barrel for a 6 48 bead?

The barrel is once again mounted vertically. A large file is used to remove the majority of the excess rib. A smaller file finishes the cut. I also use it to break the sharp edges off the front and sides of the rib. The barrel will be drilled and tapped for a 6-48 bead.

How do I determine if a barrel wall is heavy enough?

More information on determining if a barrel wall is heavy enough for screw in choke tubes can be found in Choke tube installation and Removing a fixed choke from a shotgun barrel and installing a choke tube system. Additionally, Brownells provides great information on measuring for screw-in choke tubes here.