High-end full carbon handguards engineered for serious M4 platforms.
Designed to match the dimensions of modern metal handguards, these carbon M-LOK rails stay slim, aggressive, and perfectly aligned with your receiver — without the excess bulk you see on oversized designs.
Built to outperform metal where it matters: weight, balance, and handling.
Key Advantages
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Full carbon construction
Extremely strong, impact-resistant, and virtually indestructible in field use.
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≈75% lighter than metal handguards
Noticeably reduces front-end weight for faster transitions and less fatigue.
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Slim profile
Same outer dimensions as most metal rails — no oversized or chunky look.
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True M-LOK interface
Fully compatible with all standard M-LOK accessories and attachments.
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Clean body integration
Follows the natural lines of the receiver for a tight, professional milsim look.
Options & Add-Ons
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MK18-style rail configuration
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Full Carbon Outer Barrel (AEG or MTW)
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Heretics Labs body option
Select this if applicable — you’ll receive the correct top rail to match your receiver perfectly.
Installation
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Installation video available on YouTube: Bushmaster
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Spacer rings included with your order
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Extra / spare spacers available separately if needed
Bottom line:
These carbon M-LOK handguards are built for players who want maximum durability, minimal weight, and a clean milsim profile. If you’re shaving grams, improving balance, and upgrading performance — this is the rail you run.