MPN: APRA600001C / APRA600002C / AP-APRA600003C / AP-APRA600004C / AP-APRA600005C

Features:

• One-piece free float design
• M-LOK slots on seven sides for full customization
• Engineered for stiffness to minimize deflection under load
• Steel barrel nut further reduces point-of-impact shift when using infrared laser devices
• Compatible with all Mil-Spec AR-15 uppers
• 4 steel-reinforced QD sockets enhance strength and prevent premature wear
• Two anti-rotation set screws ensure a tailored fit with third-party uppers
• Simplified installation with a barrel nut that requires no timing and matches mil-spec castle nut patterns, avoiding specialty tools

Specifications:

• Material: 6061-T6 Aluminum
• Finish: Anodize Black, Kodiak Brown, or OD Green
• Weight:
• 10.6-Inch: 14.78 oz.
• 11.4-Inch: 15.06 oz.
• 12.7-Inch: 16.12 oz.
• 13.5-Inch: 16.75 oz.
• 15-Inch: 17.73 oz.
• Inside Diameter:
• Height: 1.66"
• Width: 1.33"
• Outside Diameter:
• Height: 1.99"
• Width: 1.55"

Compatibility:

• Mil-Spec AR-15 uppers

NOTE:

• The Aero Precision MOD 4 M-LOK Handguards are NOT compatible with Aero Precision Enhanced M4E1 Upper Receiver and uppers with build-in handguard mount.
• The Aero Precision MOD 4 M-LOK Handguard requires a castle nut wrench for barrel nut installation.
• Due to various factors that occur during the anodization process, the color may differ between batches for this product.

Includes:

• 1x Aero Precision MOD 4 M-LOK Handguard
• 1x MOD 4 Barrel Nut
• 2x Mounting Screws
• 1x Mounting Tab
• 2x Anti-Rotation Set Screws

Details:

The Aero Precision MOD 4 M-LOK Handguard delivers a lightweight, ergonomic design with 7-sided M-LOK mounting options, allowing for maximum customization to fit your needs. Built from 6061-T6 aluminum, it ensures both strength and maneuverability.

Steel Barrel Nut for Consistent Accuracy

Aero’s new proprietary MOD 4 mounting system and the steel barrel nut plays a key role in minimizing point of impact (POI) shift by securely locking the handguard in place. This stability ensures that optics and accessories remain aligned, even under heavy use or environmental stress, so your shots consistently hit where intended. The reinforced attachment reduces flex and prevents disruptions, giving you confidence when precision matters most.

Designed for Ease of Installation and Reliability

The MOD 4 pairs perfectly with M4E1 threaded upper receivers and includes steel-reinforced QD sockets for slings. With no timing required at the barrel nut, installation is simple and reliable, so you can focus on your next mission or range day.