Are these Sig MCX handguards suppressor-ready?

Yes. Several handguards in this collection are designed with suppressor clearance or extended cutouts, ideal for use with cans or muzzle devices.

Are all Sig MCX handguards M-LOK compatible?

Yes. All Sig MCX handguards offered here feature M-LOK slots for mounting grips, lights, and other tactical accessories.

Sig MCX Handguards – M-LOK Rails for Virtus, Rattler & SPEAR LT

**MCX-SPEAR LT 8 INCH HANDGUARD, BLACK** $265.86

**MCX Virtus Handguard - 12 with SD** $213.19

MCX Rattler Low Profile M-LOK Handguard $173.05

**Handguard, SigMCX, Rattler, Aluminum, Suppressor Compatible, 300B-5 In, Blk, MLOK** $361.10

Handguard, SigMCX, Rattler, Aluminum, Low Profile, 300B-5 In, Blk, Mlok $173.05

**MCX Virtus Handguard - 8 PDW** $173.05

**MCX Aluminum DMR Suppressor Compatible M-LOK Handguard** $321.67

MCX Aluminum DMR Low Profile M-LOK Handguard $213.19

**MCX Virtus Handguard - 10 Carbine with SD** $213.19

**MCX Virtus Handguard - 10 Carbine** $173.05

Sig MCX Handguards – Virtus, Rattler & SPEAR LT M-LOK Rails

🛠️ Upgrade Your Sig MCX with a Purpose-Built Handguard

Enhance performance, modularity, and suppressor compatibility with a precision-engineered Sig MCX handguard. Whether you're outfitting a Virtus, Rattler, or SPEAR LT, we offer a complete selection of OEM and upgrade M-LOK handguards for every mission profile — from CQB to DMR.

🔧 Built for Every Sig MCX Platform

Our handguards are:

✅ Compatible with MCX Virtus, Rattler, and SPEAR LT
✅ M-LOK™ ready for mounting lights, grips, and bipods
✅ Available in multiple lengths (5", 8", 10", 12")
✅ Lightweight aluminum or polymer construction
✅ Options for suppressor-ready clearance

All MCX handguards sold here are factory-fit and drop-in ready — no gunsmithing required.

🧭 Compatibility Guide

Model	Handguard Lengths Available	Notes
MCX Virtus	8", 10", 12"	Fits carbine and mid-length barrels
MCX Rattler	5", 6.75", 8"	Low-profile or suppressor-ready
MCX SPEAR LT	8" only	SPEAR-specific barrel nut fit

✅ M-LOK across all models
⚠️ Be sure to match your handguard length with your gas system and muzzle device

🔥 Featured Sig MCX Handguards

Product	Rail Type	Length	Use Case	Price
MCX Virtus 10” Carbine Handguard	M-LOK	10”	General-purpose	$173.05
MCX Rattler 5” Suppressor-Ready Handguard	M-LOK	5”	PDW / Suppressed	$173.05
MCX SPEAR LT 8” Handguard	M-LOK	8”	OEM replacement	$265.86
MCX DMR Suppressor-Compatible Handguard	M-LOK	12”	Long-range	$321.67

🧠 Why Upgrade Your MCX Handguard?

Better Ergonomics: M-LOK lets you attach only what you need, reducing weight and bulk.
Improved Cooling: Vented handguards prevent heat buildup during sustained fire.
Suppressed Builds: Specialized handguards accommodate cans and gas flow.
Precision Fit: All handguards are designed for a snug, zero-wobble fit on Sig MCX platforms.

🧰 Installation Notes

Use factory or torque wrench to remove barrel nut
No modification required for drop-in fit
Confirm fitment with your current gas block and muzzle device

❓ FAQ: Sig MCX Handguards

Q: Can I use a Rattler handguard on a Virtus?
A: No. The Rattler and Virtus have different barrel lengths and gas systems. Only use handguards designed for your model.

Q: Are these handguards suppressor-ready?
A: Some are — look for suppressor-compatible models with extended cutouts or venting.

Q: Is M-LOK standard on all MCX handguards?
A: Yes. Every Sig MCX handguard we sell features M-LOK compatibility for easy accessory mounting.

⭐ Trusted by Tactical Professionals

✅ Veteran-Owned Supplier Since 1993
✅ Fast U.S. Shipping & In-Stock Guarantee
✅ Genuine OEM & Proven Aftermarket Components

🚀 Ready to Build or Upgrade Your MCX?

Whether you're optimizing for CQB, building a suppressed PDW, or setting up a DMR rig — Mounts Plus has the Sig MCX handguard to match your rifle and your mission.