Rifle Round-Up with Navy SEAL Mark "Coch" Cochiolo

Published on October 28, 2021
Duration: 23:37

Navy SEAL Mark 'Coch' Cochiolo provides an operator's perspective on a historical progression of US military rifles. He covers iconic firearms from the Krag-Jørgensen to the Mk 18, highlighting their historical context, operational use, and key features. The review emphasizes practical insights gained from real-world experience with these platforms.

Quick Summary

The Krag-Jørgensen was the first US military repeating rifle, used during the Spanish-American War. It fired the .30-40 Krag rimmed cartridge and featured a unique side-loading gate where rounds were dumped in manually without a clip.

Chapters

  1. 00:00Introduction: US Military Rifle History
  2. 01:07Krag-Jørgensen: First Repeating Rifle
  3. 02:17M1903 Springfield: The .30-06 Answer
  4. 03:17Pattern 14 & M1917 Enfield: British Design, US Production
  5. 04:40M1 Garand: WWII Semi-Auto Icon
  6. 06:14M1 Carbine: Early PDW Design
  7. 09:12M14 & M1A: The 7.62x51mm Rifle
  8. 10:53M16A1 & CAR-15: The 5.56mm Era Begins
  9. 13:46M16A2: Refinements for Modern Combat
  10. 15:30M4 Carbine: The Modular Standard
  11. 17:37SOCOM 16 (EBR): Modernized M14
  12. 19:34SCAR 17: Lightweight 7.62x51mm Power
  13. 21:54Mk 18: SEAL's Short-Barreled Choice

Frequently Asked Questions

What was the first US military repeating rifle?

The Krag-Jørgensen was the first US military repeating rifle. It was used during the Spanish-American War and fired the .30-40 Krag cartridge, featuring a unique side-loading gate.

What is 'Garand thumb' and how can it be avoided?

'Garand thumb' is a painful injury that can occur when loading the M1 Garand's 8-round en bloc clip. To avoid it, ensure you use a firm, consistent motion and properly seat the clip to prevent your thumb from being caught.

What makes the Mk 18 rifle notable for SEALs?

The Mk 18 is a short-barreled variant of the M4 carbine, featuring a 10.3-inch barrel. It's highly valued by SEALs for its maneuverability in confined spaces and its extreme modularity, allowing for extensive customization with accessories.

How did the M16A2 differ from earlier M16 variants?

The M16A2 introduced a 1:7 twist rate to better stabilize heavier 62-grain ammunition. It also featured a heavier barrel and a longer buttstock, supporting a more squared-off shooting stance often adopted when wearing body armor.

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