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Questions & Answers
Do they make a Mico Barrel Nut for this? Will this work with the Adams Arm Piston kit? Manufacturer Answer

Unfortunately, we do not make a smaller barrel nut!

by Ergo Grips, Manufacturer, July 27, 2022
Will this fit an lwrc gas piston 556? Expert Answer

We cannot confirm compatibility as this handguard is meant for a standard direct impingement AR rifle. LWRC does not provide a list of compatible handguards so you need to contact them to verify what handguards will work with their piston system.

by Armando R., Gear Expert, December 27, 2019
Color: Black Finish: Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 , M16 Handguard Length: 9 inGun Rail: M-LOK Weight: 8 ozInner Diameter: 1.37 inOuter Diameter: 1.8 in

Code: 3E-HZ-9854SA-4818-09-BK

MPN: 4818-09-BK

UPC: 874748007863

List: $106.75Save $4.76
$101.99

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Product Info for ERGO Modular Free Float Rail System

A 12in free float M-LOK rail system machined from 6061-T6 aluminum, Type III black hard-coat anodized that weighs only 11 ounces, this handguard features an inside diameter that accepts most suppressors (1.8in).image

WARNING: California`s Proposition 65

Specifications for ERGO Modular Free Float Rail System:

Manufacturer: ERGO
Color: Black
Finish: Anodized
Fabric/Material: 6061-T6 Aluminum
Gun Make: AR Platform
Gun Model: M16, AR-15
Gun Type: Rifle
Handguard Length: 9 in
Handguard Type: Free-Float
Gun Rail: M-LOK
Weight: 8 oz
Inner Diameter: 1.37 in
Outer Diameter: 1.8 in
Mount Type: M-LOK
Quantity: 1

Features of ERGO Modular Free Float Rail System

  • M-LOK Compatible Slots accept ERGO and all other M-LOK accessories
  • Accepts Ergo WedgeLok Rail Covers
  • For AR-15/M16 platforms (Not AR-10, SR25, etc)
  • Uses standard barrel nut wrench

Package Contents:

  • ERGO Modular Free Float Rail System

ERGO Modular Free Float Rail System Orderable Models

List of Orderable Models

ERGO Modular Free Float Rail System, 1.8in Inside diameter, 9in Length, Black, 4818-09-BK , MPN: 4818-09-BK , UPC: 874748007863 , Code: 3E-HZ-9854SA-4818-09-BK

ERGO Modular Free Float Rail System Unavailable & Discontinued Models

List of Unorderable Models

Ergo M-LOK Modular Free Float Rail System, 1pc, 1.8in Inside Diameter, 12in Length, Black, 4818-12-BK , MPN: 4818-12-BK , UPC: 874748006354 , Code: 3E-HZ-9854SA-4818-12
Ergo M-LOK Modular Free Float Rail System, 1pc, 1.8in Inside Diameter, 15in Length, Black, 4818-15-BK , MPN: 4818-15-BK , UPC: 874748006361 , Code: 3E-HZ-9854SA-4818-15
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