i need some info the on marlin 512 cockmaster
Shooting rifled slugs is the ONLY way to shoot thru a smoothbore for deer. If you shoot sabot slugs thru a smoothbore, it will not spin and therefore not be accurate. For accuracy, the slug must spin out of the barrel. Either shoot a rifled slug thru a smooth barrel, or shoot a saboted slug thru a rifled barrel.
12 g sabot slugs. Rifled slugs are for smoothbore barrels.
Yes. Rifled slugs are intended to be fired through a smoothbore barrel. Sabot slugs are intended to be fired through rifled barrels.
Although they weren't as accurate, smoothbore "muskets" were easier, faster to reload than a rifled barrel. Less constriction in the barrel without rifling.
A rifled slug can be fired from a smoothbore barrel with relative accuracy to about 100 yards. By relative accuracy, I mean that shots can be held in a 5 inch circle. That is about the size of the target zone on a deer. For a rifled barrel, rifled slugs should NOT be used, but sabot slugs can be.
probably not, historicly shotguns are smoothbore if you shoot a slug, THAT would be rifled.
Assuming you mean the Remington 870 shotgun, with a scope- is your barrel rifled? If so, sabot slugs are generally the most accurate. If smoothbore, then rifled slugs will be most accurate.
A smoothbore is cheaper and works just as well when using regular shot. A rifled shotgun barrel only helps if you are going to be firing slugs, but if you are it improves performance considerably, giving the slug near-rifle accuracy. If you can afford it and plan to be using slugs the rifled barrel can be well worth it and gives you much more versitility.
The outside dimension of a barrel is simply the diameter. The traditional inside measurement of a rifled barrel is caliber and the traditional inside measurement of a smoothbore (shotgun) barrel is gauge. Strictly speaking, smoothbore gauges are not diameters. Gauge number is the number of round balls fitting the bore that can be made from a pound of lead.
Smoothbore
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An air RIFLE that shoots pellets through a rifled barrel will leave identifying marks on a fired pellet. A smoothbore air GUN that shoots BBs usually will not.