Swiss DMR ZFK-55 Rifle

Published on September 14, 2018
Duration: 22:19

This video provides an in-depth review of the Swiss ZFK-55 rifle, a Designated Marksman Rifle based on the K 31. The presenter, with clear authority and expertise, details its features, including its 7.5 Swiss chambering, 3.5 power optic with a quick-detach mount, integrated bipod, and distinctive muzzle brake. The review highlights the rifle's engineering solutions for optic mounting, its weight, and its historical context as a DMR.

Quick Summary

The Swiss ZFK-55 rifle, a Designated Marksman Rifle, features a unique optic mounting system achieved by canting the bolt action 15 degrees to the right. This allows spent casings to eject sideways, clearing the optic mounted directly over the bore. Chambered in 7.5 Swiss (GP 11), it also boasts an integrated bipod, a heavy barrel, and a significant muzzle brake for recoil reduction.

Chapters

  1. 00:09Introduction to the ZFK-55
  2. 00:29Caliber and Optic Details
  3. 00:37Original Design as a DMR
  4. 00:49Comparison to K 31
  5. 00:53Integrated Bipod and QD Mount
  6. 01:01Optic Mounting Engineering
  7. 01:24Loading with Stripper Clips
  8. 01:58Shooting Impressions & Muzzle Brake
  9. 02:52Bolt Hold Open Feature
  10. 02:57Deep Dive into ZFK-55
  11. 03:21ZFK-55 vs. K 31 Ejection Port
  12. 03:58Disassembly and Bolt Differences
  13. 04:43Stock Design
  14. 05:03Scope Canister and Protection
  15. 05:43Quick Detach Mount Operation
  16. 06:06Toolless Optic Installation
  17. 06:09Optic Reticle and Adjustments
  18. 06:38Bipod Legs and Functionality
  19. 07:11Bayonet Lug and Bayonet
  20. 07:35Muzzle Brake Effectiveness
  21. 08:09Testing Optic Return to Zero
  22. 09:34Impact of Bayonet Attachment
  23. 10:59Iron Sights and Adjustments
  24. 11:50Matching Serial Numbers
  25. 12:18Estimated Cost and Rarity
  26. 14:10Comparison to M1D Sniper Rifle
  27. 14:52Advantages of Swiss Solution
  28. 15:35Loading the M1D
  29. 16:02M1D Optic and Adjustments
  30. 17:25M1D Quick Detach Mount
  31. 17:29M1D Bipod Use
  32. 18:44Rarity and Value
  33. 19:10Complete Kit and Armorer's Tools
  34. 20:04Bolt Functionality and Safety
  35. 20:43Bolt Parts Interchangeability
  36. 21:11Supporting the Channel
  37. 21:44Final Thoughts and Farewell

Frequently Asked Questions

What makes the ZFK-55's optic mounting system unique?

The ZFK-55's optic mounting is unique because the entire bolt action is canted approximately 15 degrees to the right. This engineering solution allows spent casings to eject sideways, clearing the optic mounted directly over the bore, unlike earlier Swiss rifles that ejected casings straight up.

What caliber is the Swiss ZFK-55 rifle chambered in?

The Swiss ZFK-55 rifle is chambered in 7.5 Swiss, which is also commonly referred to as GP 11 ammunition. This caliber was standard for many Swiss military firearms of the era.

What are the key features of the ZFK-55 rifle?

Key features of the ZFK-55 include its 7.5 Swiss caliber, a 3.5 power optic with a quick-detach mount, an integrated bipod, a significant muzzle brake for recoil reduction, and a heavy barrel profile. It is based on the K 31 action but is heavier and has specific modifications for optic use.

How does the ZFK-55 compare to the K 31?

While based on the K 31 action, the ZFK-55 is considerably heavier and features modifications for optic mounting, such as the canted bolt. The bolts themselves are not interchangeable between the two rifles, and the ZFK-55 has a more robust stock and a prominent muzzle brake.

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