9mm Is Getting Replaced? These 5 Calibers Are Quietly Taking Over

Published on September 7, 2025
Duration: 11:59

This video from Line 45 explores five calibers quietly challenging 9mm's dominance in 2025: 30 Super Carry, 5.7x28mm, 10mm, 357 SIG, and 22 TCM. Instructor Ted highlights how these calibers offer distinct advantages in capacity, flat shooting, stopping power, barrier penetration, and speed, catering to specific shooter needs beyond the traditional 9mm standard.

Quick Summary

Several calibers are emerging as alternatives to 9mm, offering distinct advantages. 30 Super Carry increases capacity in compacts, 5.7x28mm provides flat shooting and low recoil, 10mm delivers superior stopping power, 357 SIG excels at barrier penetration, and 22 TCM offers rifle-like velocity in a pistol.

Chapters

  1. 00:00Introduction: The Shift Away from 9mm
  2. 00:10Why 9mm Became the Standard
  3. 00:30Call to Action: Subscribe & Support
  4. 00:49The Reign of 9mm: Price, Performance, Availability
  5. 01:189mm's Military and Law Enforcement Adoption
  6. 01:44The Carry Boom and Compact 9mm Pistols
  7. 02:09Shooters Re-evaluating Their Caliber Choices
  8. 02:20Caliber 1: 30 Super Carry Explained
  9. 02:4430 Super Carry Ballistics and Capacity
  10. 03:0530 Super Carry Recoil and Shootability
  11. 03:1830 Super Carry Ammunition Cost and Quality
  12. 03:3830 Super Carry's Niche: Deeper Mags, Smaller Guns
  13. 03:53Caliber 2: 5.7x28mm - Flat Shooting at Speed
  14. 04:06The 5.7x28mm as a Wild Card
  15. 04:255.7x28mm Ballistics and Flat Trajectory
  16. 04:445.7x28mm Feeding and Reliability
  17. 04:56FN 57 Pistol Features
  18. 05:07Ruger's Take on 5.7x28mm
  19. 05:195.7x28mm Ammunition Cost and Value
  20. 05:285.7x28mm Advantages: Soft Armor, Recoil, Flatness
  21. 05:43Caliber 3: 10mm - Punching Through
  22. 05:5410mm: Torque and Power
  23. 06:1510mm Ballistics and Energy
  24. 06:33Springfield XDM Elite 10mm Features
  25. 06:5910mm Capacity and Control
  26. 07:0410mm Ammunition Cost and Use Cases
  27. 07:1810mm: Margin and Power
  28. 07:24Caliber 4: 357 SIG - Slicing Through Armor
  29. 07:37357 SIG: Flat Shooting, Hard-Hitting Solution
  30. 07:56357 SIG: Necked Down .40 S&W with a Mission
  31. 08:02357 SIG Ballistics and Barrier Penetration
  32. 08:19Sig P229 in 357 SIG Features
  33. 08:40357 SIG: Velocity, Precision, Outperforming 9mm
  34. 08:49Caliber 5: 22 TCM - Rifle-Like Velocity
  35. 09:01The Sound of 22 TCM: A Warning Shot
  36. 09:1122 TCM: Pushing to Be a Better Option
  37. 09:2222 TCM Cartridge Design and Ballistics
  38. 09:3522 TCM: Flat Trajectory and Barrier Punch
  39. 09:4422 TCM: Magnum Speed, Low Recoil Magic
  40. 09:50Rock Island Armory 22 TCM 1911 Features
  41. 10:1222 TCM: Easy Caliber Swapping
  42. 10:1822 TCM Magazine Capacity and Ammo Cost
  43. 10:3122 TCM: Rifle Velocity in a Sidearm
  44. 10:39The Evolving Conversation Around 9mm
  45. 10:51Why These Calibers Are Solutions, Not Just Alternatives
  46. 11:17The Shift is Happening: More Tools, Smarter Choices
  47. 11:40Overcoming Old Arguments: Cost and Availability
  48. 11:49Conclusion: Choosing the Right Round for Your Needs

Frequently Asked Questions

What calibers are emerging as alternatives to 9mm?

Several calibers are gaining traction: 30 Super Carry offers higher capacity in compact frames. 5.7x28mm provides flat shooting and low recoil. 10mm delivers superior stopping power. 357 SIG excels at barrier penetration, and 22 TCM offers rifle-like velocity in a pistol.

What are the advantages of 30 Super Carry over 9mm?

The 30 Super Carry allows for higher magazine capacity (e.g., 13+1 vs. 10+1) in similar-sized compact pistols compared to 9mm, while offering comparable ballistics and slightly lighter recoil, making it ideal for concealed carry.

How does 5.7x28mm compare to 9mm in performance?

5.7x28mm offers significantly flatter trajectory and less recoil than 9mm, enabling greater accuracy at longer distances and faster follow-up shots. It's also noted for its smooth feeding characteristics.

Why would someone choose 10mm over 9mm for self-defense?

10mm provides substantially more energy and penetration than 9mm, making it a more potent choice for situations requiring maximum stopping power or the ability to defeat tougher barriers. This comes with heavier recoil.

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