colt
Douglas makes rifle barrels in Cross lanes, WVa. near Charleton.
No
H&R and I believe Rossi have single shot rifles with interchangible barrels.
Someone who makes barrels is iether called a barrel maker or cooper. Barrels are made from only one type of cooperage. Barrels are also traditionally made of wood staves.
Heavy Barrel
Rifle Muskats Sub Mrines Rifle Barrels Cannons
You will need a gunsmith to know for sure.
Rainwater Solutions is one company that makes rain barrels. www.rainwatersolutions.com
rifle barrels may have a different external diameter. A rifle that is carried for hunting will usually have a "sporter" barrel- slender, to save weight. Target rifles will have more massive, stiffer barrels for accuracy. Those are "heavy" barreled rifles.
All Vipers had alloy barrels. It was still called a MAC in its iron form
The one who makes barrels. A barrel maker is called a cooper
How much Remington Armory 1918 bolt action rifle barrels are worth will depend on their condition, overall state and wear, and can range from $200 to about $800.