Maxim Defense MD:11 Free Float AR-10 Handguard - ARCA / M-LOK - 16.99"

Details

The Maxim Defense MD:11 M-LOK AR-10 ARCA Free Float Handguard at 16.99" integrates a full-length ARCA Swiss rail directly into the free float aluminum structure of the longest handguard available for the MD:11 platform. For precision MD:11 shooters who need a continuous ARCA Swiss mounting track across the entire handguard bottom surface without adapters or lost M-LOK positions, this design provides that capability natively on a large-frame .308-class build.

The MD:11 M-LOK AR-10 ARCA Free Float Handguard is an 18" free float aluminum handguard designed for the Maxim Defense MD:11 platform, featuring a fully integrated ARCA Swiss bottom rail, M-LOK compatibility across multiple surfaces, and a full-length Picatinny top rail in the longest available MD:11 configuration.

The integrated ARCA Swiss rail spans the full length of the handguard bottom, providing a continuous mounting track for ARCA-compatible tripods, bipods, and shooting bags at any position — without the single fixed contact point of a bolt-on adapter or the M-LOK slot sacrifice of a clamped rail section. Free float aluminum construction optimized for large-frame recoil isolates the barrel from handguard contact, preserving accuracy under the forces generated by full-power large-frame cartridges. The wide, flat bottom surface provides the consistent, non-rolling support interface that precision and long-range shooting demands. Full M-LOK compatibility across multiple surfaces retains complete accessory flexibility alongside the ARCA rail. Outer diameter: 1.7". Inner diameter: 1.4".

Compatible with Maxim Defense MD:11 large-frame platform only. Length: 18". Outer diameter: 1.7". Inner diameter: 1.4".

Free float aluminum construction with a hard coat anodized black finish.

Purpose-built for MD:11 platform precision shooters who need a direct ARCA Swiss rail interface for tripod and bipod mounting without sacrificing M-LOK coverage on a full-length large-frame build.

Maxim Defense backs the MD:11 ARCA Handguard with their standard manufacturer warranty.

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Specifications

Accessory AttachmentM-LOK

BrandMaxim Defense

ColorBlack

FinishHardcoat Anodized

Gas System LengthRifle

Handguard Length16.99

Inner Diameter1.4 in.

MaterialAluminum

PlatformAR-308/AR10

TypeFree Float

Weight1.52 lbs.

California Prop 65 warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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