SIG Spear (U.S. Army's XM7 / M7 base rifle) to 800yds: Practical Accuracy

Published on July 25, 2024
Duration: 46:35

The SIG Spear in 7.62x51mm NATO, the base for the U.S. Army's XM7, was tested for practical accuracy out to 800 yards. While capable of hitting targets at extended ranges, the rifle exhibited significant over-gassing and harsh, snappy recoil, requiring adjustment to the suppressed setting. Its front-heavy balance and undersized stock were noted as ergonomic drawbacks compared to dedicated precision platforms.

Quick Summary

The SIG Spear in 7.62x51mm NATO is significantly over-gassed on its normal setting, causing harsh recoil. Switching to the 'suppressed' gas setting improves manageability for practical accuracy testing out to 800 yards, though it's less precise than dedicated precision rifles.

Chapters

  1. 00:00Introduction: SIG Spear XM7 7.62x51mm
  2. 01:11Gas Settings & Recoil Issues
  3. 01:31Shooting 150-500 Yards: Accuracy & Challenges
  4. 05:52Long Range: Engaging Targets to 800 Yards
  5. 10:08Technical Debrief: Recoil & Ergonomics
  6. 25:37Military Context: XM7 Procurement

Frequently Asked Questions

What are the main challenges when shooting the SIG Spear in 7.62x51mm NATO?

The primary challenges are its significant over-gassing on the normal setting, leading to harsh recoil, and its front-heavy balance. The stock is also noted as feeling undersized for the rifle's overall size and weight.

How does the SIG Spear perform at long range (up to 800 yards)?

The SIG Spear can achieve hits at 800 yards, but it requires multiple rounds to find the target and is not as precise as dedicated precision gas guns. It cleared the course in 24 rounds.

What gas setting is recommended for the SIG Spear for better handling?

Even when unsuppressed, it's recommended to switch the SIG Spear's gas system to the 'suppressed' setting. This significantly reduces the harsh recoil, making the rifle more manageable for practical accuracy testing and shot spotting.

What are the key ergonomic criticisms of the SIG Spear?

The rifle is criticized for being very front-heavy, weighing nearly 11 lbs unloaded. Additionally, the stock is considered undersized for a large-frame battle rifle, impacting its overall feel and handling.

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