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Re: 300 Win Mag or 338 Win Mag
338WM or 300WM is a tough choice for me. I shoot both often, NRA LR targets for the 300 and hunting at close to moderate ranges with the 338.
I recently finished a project on a factory remington 700 Sendero. Installed a Satern 28 inch, 1-9 twist medium-heavy barrel with a 338 Win Mag match chamber throated for a 3.410 OAL so loaded rounds still function through magazine.
I'm shooting the 300 Sierra's with moly at 2575 avg fps. Just started with load data but, so far RL-19 at 65.0gr is working best. Weapon has only been tested at 600 yrds and shoots .7 MOA out of the gate. I'll be able to finish testing out to 1000 next week.
This combo, if it works out, delivers approx 2700 lbs at 500, 1700lbs at 1000yrds and 1400 lbs at 1200yrds.
This project was just an attempt to step up my own 338 Winnie's game at distance.
I posted to get some feedback on shooting the 300 Matchking's out of the 338 WM. So far the numbers on energy, wind drift and retained velocity look encouraging.
I personally think the 300 Win Mag is an LR Shooting/Tactical/Hunting all time great.
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