Bushmaster XM-15 Carbine M4 Review

Published on June 9, 2010
Duration: 13:30

This guide details the field stripping and reassembly process for the Bushmaster XM-15 Carbine, as demonstrated by an experienced firearms instructor. It covers separating the upper and lower receivers, removing the bolt carrier group and charging handle, and cleaning components. The instructor's high authority level ensures a professional and detailed walkthrough, emphasizing the importance of proper maintenance for long-term reliability.

Quick Summary

The Bushmaster XM-15 Carbine is constructed with receivers made from forged 7075 T6 aircraft-grade aluminum and features a 1:9 barrel twist rate, suitable for .223/5.56mm NATO rounds. Its chrome-lined bore improves durability and ease of cleaning. Street prices often fall around $700, significantly below the $1,250 MSRP.

Chapters

  1. 00:15Bushmaster Brand History
  2. 01:29XM-15 Markings and Materials
  3. 02:20Manufacturing and Reliability
  4. 04:59New Product Lineup
  5. 06:36Field Stripping and Internals
  6. 08:26Upper and Lower Features
  7. 10:46Barrel Specifications
  8. 11:45Pricing and Market Value

Frequently Asked Questions

What are the key materials used in the Bushmaster XM-15 Carbine's construction?

The Bushmaster XM-15 Carbine features receivers made from forged 7075 T6 aircraft-grade aluminum, known for its high strength and durability, making it a robust platform for various applications.

What is the barrel twist rate of the Bushmaster XM-15 Carbine and what does it mean?

The Bushmaster XM-15 Carbine has a 1:9 barrel twist rate. This means the rifling completes one full rotation every nine inches, which is optimal for stabilizing a range of common bullet weights for the .223 Remington and 5.56mm NATO cartridges.

Where can I find competitive pricing for a Bushmaster XM-15 Carbine?

While the MSRP is around $1,250, street prices for new Bushmaster XM-15 Carbine units can often be found in the $700 range. Online marketplaces like GunsAmerica.com and GunBroker.com are good places to check for competitive pricing.

What are the benefits of the chrome-lined bore on the Bushmaster XM-15 barrel?

The chrome-lined bore on the Bushmaster XM-15 barrel significantly enhances its durability and resistance to corrosion. It also makes the barrel easier to clean and extends its overall service life, ensuring consistent performance.

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