The US Army’s new Service Rifle - The SIG SPEAR / NGSW XM5

Published on May 15, 2022
Duration: 24:28

This guide focuses on familiarizing users with the ambidextrous controls of the SIG SPEAR (XM5/XM7), a key feature for modern rifle operation. It emphasizes practicing magazine releases and bolt catch/release manipulations to ensure proficiency. The instruction is presented by Garand Thumb, a recognized subject matter expert in small arms testing, highlighting the practical application of these features in a tactical context.

Quick Summary

The SIG SPEAR, adopted by the US Army as the XM7 under the NGSW program, fires the 6.8x51mm (.277 Fury) cartridge. This round's hybrid casing handles extreme pressures (80,000 PSI), enabling high velocities from its 13-inch barrel, exceeding 7.62 NATO. It features ambidextrous controls and dual charging handles for enhanced ergonomics.

Chapters

  1. 00:00Introduction and Shooting Montage
  2. 02:02The NGSW Program and SIG SPEAR
  3. 04:506.8x51mm Caliber and Hybrid Casing
  4. 06:12Chronograph Testing
  5. 06:53Suppressor and Muzzle Device
  6. 08:09Gas System and Size Comparison
  7. 09:25Barrel Profile and Accuracy
  8. 11:17Dual Charging Handles
  9. 12:47Ambidextrous Controls
  10. 15:57Combat Load and Logistics Concerns
  11. 18:34Final Assessment

Frequently Asked Questions

What is the new US Army service rifle and its designation?

The US Army's new service rifle is the SIG SPEAR, adopted under the Next Generation Squad Weapon (NGSW) program. Its initial designation was XM5, and it is now referred to as the XM7.

What caliber does the SIG SPEAR use and what are its advantages?

The SIG SPEAR utilizes the 6.8x51mm (.277 Fury) caliber. This round features a hybrid casing designed to handle extremely high pressures (up to 80,000 PSI), allowing for high velocities from its 13-inch barrel, surpassing traditional 7.62 NATO performance.

What are the key ergonomic features of the SIG SPEAR?

The SIG SPEAR includes fully ambidextrous controls, such as the magazine release and bolt catch/release, making it intuitive for AR-15 users. It also features both a side-folding and a standard AR-style rear charging handle.

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