The 30-30 is a rimmed cartridge, versus the .308, which has a rimless cartridge. The 30-30 has much lower energy than the .308, and is typically loaded with a flat tipped bullet, due to the number of lever action 30-30s that had a tubular magazine. The .308 typically has a spitzer (pointed) bullet.
The .308 Winchester and the 7.62 NATO cartridges are similar in size, but slightly different in chambering, thickness of the cartridge case, and pressures in loading. The 7.62 NATO cartridge may be safely fired in a .308 Winchester firearm. The reverse is not always true.
Given the limited information in your question I can only give a general reply. The caliber is the diameter of the rifle groove to groove in thousands of inches. So the difference would be .450" - .308" which equals .142". There are a lot of specified rounds of ammunition that use .308 and .450 bullets. In general the larger caliber bullet would also be more powerful.
You can use the Equus 3030 Innova Diagnostic Code Reader to read the codes on an innova 3030.
How old is the Model 94 Winchester 3030 serial 4554129?
difference between as on and as at
GTFO
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The .308 has a shorter cartridge case, and a fatter bullet. The .270 is based on the 30-06 case, about a quarter inch longer than the .308 case.
The .30-06 is 12mm longer, and has a flatter trajectory.
The E model was an economy model made from 60-84
The .50 caliber is larger in diameter than the .308. If you are referring to the bullets for the .50 BMG and the .308 Winchester, the .50 is MUCH heavier, and much longer than the .308.
Neck angles, headspacing, pressure generated by the cartridge when fired.
Between $75.00 and $175.00.
It is: 3030
The GTS version is a targa top, while the GTB is a regular coupe.
770
The .308 Winchester and the 7.62 NATO cartridges are similar in size, but slightly different in chambering, thickness of the cartridge case, and pressures in loading. The 7.62 NATO cartridge may be safely fired in a .308 Winchester firearm. The reverse is not always true.