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Agency Arms Modular Rail
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Agency Arms

Modular Rail

$365.00
Out of Stock California compliant

Agency Arms Modular Rail, M-LOK, For Benelli M4, Matte Finish, Black BEN-M4-RAIL

Key Details
Brand Agency Arms
Manufacturer Part Number BEN-M4-RAIL
UPC
SKU AGEBEN-M4-RAIL
Current Stock 0 available
Quantity Updated May 13, 2026 5:25 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The Benelli M4 compatible MLOK handguard is machined from 6063 aluminum. It is 8.5" in length and weighs in at 8.6 ounces fully assembled. The handguard features 38 full size MLOK attachment slots (8 slots are partially blocked due to the pistons). The handguard ships with the receiver and front barrel mount assembled. Please watch the installation video below as the screws are location specific.

Features
  • 8.5 oz
  • Mil Spec Hard Anodized
  • 8.5 Long"
Specifications
Manufacturer: Agency Arms
Manufacturer Part #: BEN-M4-RAIL
Model: Modular Rail
Finish: Matte
Type: Handguard