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November 20, 2025 107 mins

I discuss all of the 6.5mm SAAMI standardized cartridges (plus a couple of other noteworthy CIP rounds) in this episode. As always, I'll talk about their history, design characteristics, performance specs, their strengths and weaknesses, and their recommended uses in detail. Where appropriate, I'll also share some personal anecdotes involving these rounds as well as some observations involving various cartridges by noteworthy gun writers as well.

Cartridges covered: 6.5x52mm Carcano, 6.5×55 Swede, 6.5x57mm, 6.5x50mm Japanese, 6.5x54MS, 6.5-06, 264 Winchester Magnum, 6.5mm Remington Magnum, 260 Remington, 6.5-284 Norma, 6.5 Grendel, 6.5 Creedmoor, 26 Nosler, 6.5-300 Weatherby, 6.5 PRC, 6.5 Weatherby RPM

Sponsor: Support me on Patreon to see the terminal ballistics analysis of the Kennedy assassination (which involved one of these rounds discussed in this episode) conducted by an experienced trauma surgeon. Supporters also receive access to my other bonus material.

The Third Bullet by Stephen Hunter

Rifle Cartridges For The Hunter by Richard Mann

Resources

Episode 172: 6.5 Creedmoor vs 300 Win Mag For Elk Hunting

Episode 282: 6.5 Creedmoor For Grizzly Bear?!

Episode 366: Modern Cartridge Design With John Snow

Episode 286: 30 Caliber Cartridge Roll-Up

Episode 291: 270 Caliber Cartridge Roll-Up

Episode 297: 9.3mm and 375 Caliber Cartridge Roll-Up

Episode 300: 40 Caliber Safari Cartridge Roll-Up

Episode 328: 25 Caliber Cartridge Roll-Up

Episode 329: 50, 60, & 70 Caliber Safari Cartridges With Kevin Robertson

Episode 338: 338 Caliber Cartridge Roll-Up

Episode 345: 7mm Cartridge Roll-Up

Episode 345: The "Other" 30 Caliber Cartridges: 303 British, 7.x62x54R, etc.

Episode 358: 35 Caliber Cartridge Roll Up

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