Replacing the handguard on your Bushmaster XM15-E2S can significantly improve ergonomics, aesthetics, and functionality. Whether you're seeking enhanced heat shielding, improved rail space for accessories, or a simple cosmetic upgrade, this guide provides a step-by-step walkthrough of the process. We'll cover the necessary tools, potential handguard options, and crucial safety considerations.
Understanding Your Bushmaster XM15-E2S Handguard
Before diving into the replacement process, it's crucial to understand the type of handguard your Bushmaster XM15-E2S currently has. This will influence the compatibility of replacement options and the specific steps involved in the removal and installation. Most XM15-E2S models utilize a standard delta ring system, but verifying this beforehand is essential.
Tools and Materials Needed
Before you begin, gather the following tools and materials:
- Appropriate Replacement Handguard: Research compatible handguards that fit the XM15-E2S's gas system and barrel nut configuration. Consider factors like length, material (aluminum, polymer), and rail system (M-LOK, KeyMod, Picatinny). Ensure you select a handguard specifically designed for AR-15 platforms.
- Punched Pin Removal Tool: This tool is crucial for removing the handguard retaining pins.
- Allen Wrenches: Check your chosen handguard's specifications; you might need various sizes of Allen wrenches for installation.
- Torque Wrench (Recommended): Using a torque wrench ensures proper tightening of the barrel nut and other fasteners, preventing damage to your rifle.
- Cleaning Kit and Lubricant (Optional): Cleaning your rifle before and after modification is always good practice.
Step-by-Step Handguard Replacement Guide
Safety First: Always ensure your firearm is unloaded and the bolt is locked back before commencing any maintenance or modification. Point the muzzle in a safe direction at all times.
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Remove the Handguard Retaining Pins: Using your punch pin removal tool, carefully remove the handguard retaining pins. These pins usually secure the handguard to the upper receiver. Be mindful of the pins' location and store them safely to prevent loss.
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Detach the Old Handguard: Once the pins are removed, gently slide the old handguard off the barrel nut. This might require a slight twisting motion.
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Remove the Barrel Nut (If Necessary): Depending on the design of your new handguard and the old one, you may need to remove the barrel nut. This usually requires specialized tools and is more advanced. If unsure, consult a qualified gunsmith.
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Install the New Handguard: Carefully align the new handguard with the barrel nut and upper receiver. Insert the handguard retaining pins and gently tap them in place using a hammer and a punch (or the appropriate tool for your handguard).
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Secure the New Handguard (If Applicable): Some handguards require additional tightening using screws or clamps. Refer to your new handguard's installation instructions for precise guidance on this step.
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Tighten Barrel Nut (If Applicable): If you removed and reinstalled the barrel nut, use your torque wrench to tighten it to the manufacturer's recommended specifications. Over-tightening can damage your rifle.
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Final Inspection and Testing: After installation, thoroughly inspect your rifle to ensure all components are securely fastened. Test-fire your rifle at a shooting range (adhering to all safety regulations) to verify proper functionality.
Choosing the Right Replacement Handguard
The market offers a wide array of handguards for AR-15 platforms. Consider these factors when making your selection:
- Material: Aluminum handguards offer superior heat dissipation and durability, while polymer handguards are lighter and often more budget-friendly.
- Rail System: M-LOK and KeyMod systems provide lightweight and modular mounting options for accessories, whereas Picatinny rails offer greater compatibility but are generally heavier.
- Length: Choose a handguard length that suits your shooting style and desired accessories.
Seeking Professional Help
If you're uncomfortable performing this task yourself, consult a qualified gunsmith. Improper installation can lead to malfunctions or damage to your firearm. Safety should always be the top priority.
This guide provides a general overview; always refer to the specific instructions provided with your chosen handguard for detailed and accurate guidance. Remember to always prioritize safety and handle your firearm responsibly.
