It is a sloppy practice to fit Weaver rings in a 1913 rail because round recoil lugs aren't a snug fit in a square slot. Read more
The Mark V's high Monte-Carlo cheekpiece has a pronounced slant and has the virtue of recoiling away from the shooter's face during recoil.
The effect of a change of uphill or downhill angle on the bullet's flight path is therefore the same. Newton don't lie.
The T-Bolt I tested in .17 HMR would consistently group five rounds of Hornady ammo well inside 1/2-inch at 50 yards.
n the case of the .303 British and .45-70 there is no problem because the .303 works at higher pressure.
This is why NATO-spec ammo is not safe for use in a standard .223 rifle.
In the .45-70 with 405gn cast bullet the maximum load of 13gn which is pretty much a case full, yields 1000fps.
The Model 504 was undoubtedly the finest .22 rimfire rifle ever made by Remington
The bonded core ensures high weight retention at high impact velocities and the polymer tip aids expansion at low impact velocities for maximum tissue damage.
Careful full-length resizing of the cases is necessary when the loaded rounds are to be used in a minimum dimension chamber.