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I shot three buffalo with this cartridge , two with the classic 22,5g FMJ bullet from RWS and one with the 347gr FMJ bullet from Woodleigh.

It worked , but you cannot make any mistakes. There is a lack of depth penetration of the bullets.

The 400gr bullets cannot be brought to an acceptable velocity and are therefore not suitable for the cartridge 10,75x68.

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Original Oberndorf Mauser rifles, and perhaps other old commercial offerings, have an 8x57 length magazine, which limits the handloader with respect to powder capacity. Due to the fact that this round came out in 1908, pressures are also very, very low (something like 38,000psi). When loaded to OAL similar to, let’s say the 458 Win, 416 Taylor, and 416 Ruger, plus loading to 60,000psi (30-06 pressure) 400 Nitro Express performance can be easily exceeded. Such loads have been used on Big Five critters many times by the likes of Ray Atkinson and others. There certainly are better DG rounds out there, and taking the 10.75x68 to modern specs as I’ve described virtually makes for an entirely different round. However, it can, and has, been done.

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