LMT Barrel Mount M203 Grenade Launcher Complete Frame

LMT Barrel Mount M203 Grenade Launcher Complete Frame

Convert your barrel-mounted launcher into a standalone tactical weapon system or restore your current configuration with the Barrel Mount M203 Grenade Launcher Complete Frame. Built to exacting military standards, this heavy-duty chassis assembly provides a rigid, mobile foundation for 40mm launcher operations without requiring a host rifle platform. Officially designated under NSN 1055-01-657-4578, this chassis is engineered for duty-grade durability and seamless tactical deployment.

This complete frame assembly arrives factory-fitted with an ergonomic pistol grip and a collapsible SOPMOD buttstock, providing enhanced recoil control, optimal cheek weld, and customizable length-of-pull. Designed to accept LMT LMP300 launcher receivers and standard M203 barrel assemblies, this frame allows you to quickly build or convert a dedicated standalone launcher platform. Note: Receiver and barrel are not included.

Features

Military-Spec NSN Designation:
Assigned NSN 1055-01-657-4578, guaranteeing mil-spec material quality, strict tolerances, and reliable performance under hard tactical use.

Standalone Launcher Platform Conversion:
Allows operators to mount M203 and LMP300 launchers onto a standalone chassis rather than underslung beneath an AR-15/M4 carbine.

SOPMOD Collapsible Buttstock Included:
Outfitted with a multi-position SOPMOD stock for an improved cheek weld, comfortable length-of-pull adjustment, and superior muzzle control.

Ergonomic Pistol Grip:
Includes a durable, textured pistol grip for a natural, positive firing grip and secure handling in all environmental conditions.

Broad Compatibility:
Engineered for straightforward mounting of LMT LMP300 series launchers as well as standard M203 grenade launcher setups.

Specifications