Winchester made some that did. Remington also, IIRC.
No. If it does not have 5.56 on the barrel then use .223 ammo.
No
Owners manual, Gunshop, most rifles have the caliber listed right on the barrel
Unloaded and separate from the ammo.
Remington makes a variety of rifles and shotguns using various sizes of ammunition.
Yes, the .44 caliber cartridges are pistol/revolver cartridges. Lever action carbines/rifles of the 1800's utilized many pistol calibers so that frontiersmen could use the same ammo for both guns.
The Old West Scrounger usually has some.
Some studies indicate the repeated use (20,000) of steel cased ammo will prematurely wear the barrel on semi auto rifles. The normal user will not see the difference.
Ammo for your .351 can be had at Old Western Scrounger. Go to www.ows-ammo.com and click on ammuntion.
It must be marked on the box "FOR USE IN ALL RIFLES"
yes, but check receiver to see if re-heated
shooting pointed bullets in tube magazine , pointed bullets can set off the ammo in the rifles recoil.