Spike's Tactical ST-15 16" M4 LE Carbine AR-15 Rifle Review (HD)

Published on February 23, 2016
Duration: 17:17

This review of the Spike's Tactical ST-15 M4 LE Carbine by Mrgunsngear highlights its exceptional build quality, exceeding mil-spec standards. The rifle demonstrated impressive accuracy, with shot groups measuring between 0.75 and 2 inches at 100 yards using various ammunition. Key features include a 16-inch 4150 CMV barrel with a 1:7 twist, 7075-T6 aluminum receivers, and a high-quality BCG. The reviewer, possessing high authority and deep familiarity with AR-15 platforms, found the rifle to be 100% reliable and superior in fit and finish compared to a Colt 6920.

Quick Summary

The Spike's Tactical ST-15 M4 LE Carbine demonstrates excellent performance, achieving 0.75 to 2-inch groups at 100 yards with various ammunition. Constructed from 7075-T6 aluminum and featuring a 16-inch 4150 CMV barrel with a 1:7 twist, it exceeds mil-spec standards. The rifle proved 100% reliable and offers superior fit, finish, and components compared to a Colt 6920, according to the high-authority reviewer.

Chapters

  1. 00:00Introduction
  2. 00:00Spike's Tactical ST-15 M4 LE Carbine Overview
  3. 02:29Accuracy Testing with Multiple Ammunition Types
  4. 05:49Barrel and Gas System Specifications
  5. 06:48Handguards and Furniture Options
  6. 07:42Receivers and Lower Parts Details
  7. 10:12Bolt Carrier Group (BCG) Analysis
  8. 11:12Reliability and Final Conclusion

Frequently Asked Questions

What are the key accuracy results for the Spike's Tactical ST-15 M4 LE Carbine?

During testing at 100 yards, the Spike's Tactical ST-15 M4 LE Carbine produced shot groups ranging from 0.75 inches to 2 inches, depending on the ammunition used. This demonstrates good inherent accuracy for a carbine-length rifle.

What materials and specifications are notable for the Spike's Tactical ST-15 M4 LE Carbine's barrel and receivers?

The rifle features a 16-inch 4150 CMV Steel barrel with a 1:7 twist rate and M4 government profile, finished with chrome lining. The receivers are constructed from 7075-T6 aluminum and are Mil-spec Type III Hardcoat Anodized.

How does the Spike's Tactical ST-15 M4 LE Carbine compare to a Colt 6920?

The reviewer found the Spike's Tactical ST-15 M4 LE Carbine to have superior fit and finish compared to a Colt 6920. It also features better factory components, such as the Spike's T2 buffer, contributing to its overall perceived quality.

What are the specifications of the Bolt Carrier Group (BCG) in the Spike's Tactical ST-15 M4 LE Carbine?

The BCG is a full-auto profile design made with 158 Carpenter Steel for the bolt. It is High-Pressure Tested (HPT) and Magnetic Particle Inspected (MPI), featuring a tool steel extractor for enhanced durability and reliability.

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