With all the wildcats out there has anyone tried to neck up a standard 6.8 case to 338 The extra. The 338 also comes is a wide variety of jacketed bullet weights running from 180 grains up to 300 grains. The obvious advantage of a 338 is that it can put more weight and momentum on the target. I love my 338 spectre and since it uses a 6.8 case shortened down, even though I just use 10mm mag brass, I was wondering. The 338 Whisper is the largest of the Whisper series which ranges from a 6mm and all the way up. manufacturer of the 375 SOCOM, 338 Spectre, and 240 Spectre ammunition. So I have a few well used pieces of 6.8 brass and it got me to thinking. COAL stands for Cartridge Overall Length, and is the measurement from case head to bullet tip. Powder Burn Rates: H4227 is just a little slower burning than the 4 powders I mentioned in my previous post, and H4227 will work OK. Load data for our Superior Plated Bullets can be found in any manual or on any. The trim to length is equivalent to the minimum case length. The velocity doesn't change that much, but the chamber pressure change makes one safe for your gun and the original not so good. But your max load for H4227 in YOUR gun with 300gr bullet should be 11.7gr or 11.6 gr. The trim to length is equivalent to the minimum case length. 338 Spectre 338 Federal 338 Whisper 338 Krazy Ivan Reamer - Easy to find for the Federal and LRI has one for the Ivan. The 11.8gr load may work in some other guns OK, especially bolt action guns. So if you just reduce the load by 0.1 gr or 0.2 gr you'll likely be OK, and not pop any primers. It shares rim size with the Remington 6.8 x 43mm SPC cartridge, allowing use of OEM bolts in this caliber. 98.1% fill (not compressed) and 94.9% burnt in a 10.5" barrel.ġ1.8 grains, 38,219 psi, est velocity 1128 fpsġ1.7 grains drops it to 37,337 psi, est velocity 1119 fpsġ1.6 grains drops it to 36,467 psi, est velocity 1110 fps The cartridge is intended to fill the gap between traditional pistol caliber cartridges and existing rifle cartridges used in this weapon system. Max Brass Length: 2.840 Trim Length: 2.830. Below are some of our pet loads, loading info and notes on reloading for your 338 Edge. Quickload shows 38219 psi chamber pressure for your exact load, where max MAP chamber pressure for 338 Spectre is 37,500 psi. Since our development of the 338 Edge we have found it to be one of the more forgiving and easy to use large long range calibers available.
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