Quote:
Originally Posted by Big pete
Pardon my ignorance but what’s a 338ss?
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338 Sherman Short mag. Its based off a SAUM case with the shoulder pushed back, 40 degree shoulder, longer neck and body taper blown out. To keep it a true short action round with a 250 Berger its overall length to the lands is 2.970. It would be even shorter of course with smaller bullets.
With the shoulder pushed back it can seat the bullets out of the case to not eat up powder space. Expecting at least equal to if not better velocity than a 338 WM, efficiency is key. It will be easy on barrels too by using less powder (reduced recoil as well) and a sharp shoulder to reduce throat erosion. The developer has a whole line based off the 270 win case (think Ackley improved but better), as well as the saum case.