Thompson Center "Dimension" Rifle

Published on October 24, 2012
Duration: 24:12

This review details the Thompson Center Dimension bolt-action rifle, highlighting its modular design and caliber interchangeability. The presenter demonstrates a full caliber conversion from .30-06 to .223 Remington, showcasing the process of changing barrels, bolts, and magazine housings. The review also covers the rifle's features, accuracy testing with various ammunition types, and practical considerations for hunters and budget-conscious shooters.

Quick Summary

The Thompson Center Dimension rifle is a modular bolt-action firearm designed for caliber interchangeability. Users can switch calibers by swapping barrels, bolts, and magazine housings, with calibers grouped (A, B, C, D) for compatibility. The conversion process is demonstrated, showing how to remove and install components using specialized tools.

Chapters

  1. 00:37Introduction to Thompson Center Dimension
  2. 00:55Rifle Features & Optics Setup
  3. 01:14Bolt Lift & Safety
  4. 01:27Magazine & Trigger
  5. 01:36Stock & Barrel Details
  6. 02:19Bolt Removal Procedure
  7. 03:31Caliber Interchangeability System Explained
  8. 04:25Caliber Groups & Components
  9. 05:38Caliber Conversion Demonstration (.223)
  10. 06:00Removing the Stock
  11. 07:08Removing the Barrel
  12. 08:30Installing the .223 Barrel
  13. 09:59Changing Magazine Housing
  14. 10:41Reassembling Receiver & Stock
  15. 11:27Finalizing .223 Configuration
  16. 11:53Price & Value Proposition
  17. 12:26Cost Savings within Caliber Groups
  18. 13:39Sighting In & Bridge Mount System
  19. 14:42.223 Accuracy Testing
  20. 18:41.223 Fun Shooting (Cans, Watermelon)
  21. 19:49Switching to .30-06 Configuration
  22. 20:02.30-06 Accuracy Testing
  23. 22:04.30-06 Fun Shooting (Cans, Watermelon)
  24. 23:09Final Review & Conclusion

Frequently Asked Questions

What is the main feature of the Thompson Center Dimension rifle?

The primary feature of the Thompson Center Dimension rifle is its modular design, allowing for quick and easy interchangeability of calibers. This is achieved by swapping out the barrel, bolt, and magazine housing, making it a versatile platform for various shooting needs.

How do you change calibers on the Thompson Center Dimension?

Changing calibers involves removing two Allen screws to detach the stock, then using a V-block wrench and torque wrench to unscrew the barrel nut and remove the barrel. The bolt and magazine housing may also need to be swapped depending on the caliber group. Reassembly follows the reverse procedure.

What are the caliber groups for the Thompson Center Dimension?

The Thompson Center Dimension groups calibers into A (.204 Ruger, .223 Rem), B (.22-250, 7mm-08, .243 Win, .308 Win), C (.270 Win, .30-06 Sprg), and D (7mm Rem Mag, .300 Win Mag). Components like bolts and magazines are often marked with their group letter to prevent mix-ups.

What is the accuracy like on the Thompson Center Dimension?

In testing, the Thompson Center Dimension demonstrated good accuracy for its class. In .223 Remington, it achieved groups around half an inch at 100 yards, and in .30-06, groups were approximately 3/4 to 1 inch at 100 yards, even under challenging field conditions.

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