10mm Hardcast!

Published on August 1, 2022
Duration: 8:27

This video from Autumn's Armory tests the penetration capabilities of 10mm hardcast ammunition against various barriers. The presenter, an enthusiast of powerful handguns, uses a Ruger 10mm 1911 to shoot Underwood 220-grain hardcast bullets through plywood and water jugs, comparing its performance to 9mm ammunition. The experiment aims to determine how much material the 10mm hardcast round can penetrate and if it can be recovered.

Quick Summary

A 220-grain 10mm hardcast bullet from Underwood Ammunition penetrated 8 pieces of 3/4-inch plywood and passed through multiple 1-gallon water jugs before being stopped by a sandbag. The bullet was recovered in pristine condition, showcasing its significant penetration power.

Chapters

  1. 00:08Introduction & Ruger 10mm 1911
  2. 00:27Underwood 220gr 10mm Hardcast Ammo
  3. 00:44Target 1: Plywood Penetration Test
  4. 01:3710mm vs 13 Plywood Boards
  5. 01:5110mm Bullet Recovery from Plywood
  6. 02:15Comparison: 9mm vs Plywood
  7. 03:06Plywood Test Results: 10mm vs 9mm
  8. 03:57Target 2: Water Jugs & Sandbag
  9. 05:0610mm Hardcast vs 15 Water Jugs
  10. 05:4410mm Bullet Penetration Through Jugs
  11. 06:06Beretta 9mm Test on Remaining Jugs
  12. 06:28Bullet Recovery from Sandbag
  13. 06:52Pristine 10mm Bullet Found
  14. 06:59Sponsor: Cold Steel Knives
  15. 07:40Final Bullet Inspection & Collection
  16. 08:08Conclusion & Thanks

Frequently Asked Questions

How many pieces of 3/4-inch plywood can a 10mm hardcast bullet penetrate?

In this test, a 220-grain 10mm hardcast bullet from Underwood Ammunition penetrated through 8 pieces of 3/4-inch plywood before coming to rest. This demonstrates significant penetration power for the caliber and bullet type.

How does 10mm hardcast compare to 9mm FMJ in penetration tests?

When tested against 3/4-inch plywood, the 10mm hardcast bullet penetrated 8 boards, while a 9mm FMJ round penetrated 7 boards. Although penetration was similar, the 10mm round appeared to cause more damage to the wood.

What was the outcome of shooting 10mm hardcast bullets through water jugs?

The 10mm hardcast bullet was fired through fifteen 1-gallon water jugs. While it passed through many, it was eventually stopped by a sandbag placed behind the water jugs, indicating substantial energy retention.

Was the 10mm hardcast bullet recovered after the test?

Yes, the 220-grain 10mm hardcast bullet was successfully recovered from the sandbag. It was found in pristine condition, with no dents and clearly visible rifling marks, making it a perfect specimen for collection.

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