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It is data for surplus WW2 military ammunition.
Sellier Bellot manufacture a similar but slightly lighter FMJ-BT projectile for the 8x57 JS Mauser, a 12.7 g (196 gr) FMJ-BT which features a BC of .557. The 12.7 g FMJ-BT round by S&S has a MV of 790 m/s, so it is great for trying to duplicate the performance of the German sS round.
Mitchell's Mausers makes a genuine 12.8 g (198gr) FMJ-BT round though, which should be perfect for duplicating the sS round's performance.
Does anybody know about the guy in vietnam that used a 308 win?
What barrel length? 29"?
I heard on a show about the Battle of Stalingrad that the German Scopes needed more matinence then the Mosin Nagant.
I heard on a show about the Battle of Stalingrad that the German Scopes needed more matinence then the Mosin Nagant.
There are multiple "maintenance" areas that might need to be addressed for a particular scope arrangement. These "maintenace" areas might be easily addressable by the operator or require an armourer to perform.
1) The scope mount might be susceptible to mechanical loss of zero. This can be caused by insufficient structural integrity while on the battlefield. Specifically, bumps, bangs, hits, drops, and other blows to the rifle/scope combination can possibly result in loss of zero. This can be either permanent (bent scope base and inability to compensate with scope adjustments) or temporary (scope adjustments allowed are within structural change of zero).
2) The scope adjustments are not repeatable. Scopes with windage (L-R) and/or elevation (U-D) adjustment turrets can sometimes result in inability to repeat zero. It is common practice for snipers to zero their scope, then perform a box adjustment to scope extremes via known turret adjustments (1/2X up... X Right... X down... X left... 1/2X up). Crappy scopes will not be back to zero. This is not an easy test and more scopes fail this test in civil use than not.
3) Scope failure. During field use scopes may need maintenance for many reasons. Most common are reticle damage from recoil (more common than you think). Scope internal integrity comprimised (resulting in fogging/condensation) is another. Lenses scratched/cracked is yet another. However, these are likely considered catastrophic and would result in the need to replace the scope, as opposed to repair. This is usually not a field expedient repair item.
Reread my post Charles, I added some pictures.
Maintenance in the field is cleaning the scope and zeroing it in if perhaps it gets hit loose by a fall or something, but this is the same for all scopes. German scopes were filled with gas to make them more reliable in varying climates and keeping them free from condensation.