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Old October 28, 2020, 05:01 PM   #1
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375 In An AR15 Platform

What is your favorite .375 cartridge that works in an AR15 size receiver and why? I am aware of the 375 SOCOM, 375 Raptor and 375 Stalker. I'm not interested in sub sonic loads, so maximum performance would be my goal. I already have and load for 458 SOCOM.
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Old October 29, 2020, 11:52 PM   #2
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Since you've got the large caliber covered, I'd suggest a 300 HAM'R.
22LR, 223, 243, 6.5GR, 260R, 6.5-06, 280R, 7mmRM, 300HAM'R, 308, 30-06, 338-06, 9mm, 357M, 41M, 44SPL, 44M, 45 Colt, 450BM.
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Old October 30, 2020, 12:20 AM   #3
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I already have and load for 458 SOCOM.
I too already have the 458 socom and was interested in the 375 socom. It's ballistics numbers were not enough different from the 458's to get me to follow through. There's a guy who makes all kinds of medium/big bore wildcats for the AR 15 (usually with names that sound like "rabid sabertooth killer tigers on the loose") but they are often black-belt brass-forming exercises. Tromix also makes a 358 socom. The socom case is a proven one and is a top performer in reliability in the AR 15 IMO.
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