Milsig M17 G3 .68 Cal Less-Lethal Launcher - Gen 3

Professional-grade durability. Purpose-built less-lethal performance.

The Milsig M17 G3 Less-Lethal (LL) Launcher is a Gen 3, mechanically driven .68 caliber platform originally engineered for government and professional users and now available to the private sector where permitted. Designed for reliability in demanding environments, the G3 LL prioritizes durability, simplicity, and consistent high-energy output.

Unlike paintball variants, the M17 G3 LL operates using a fully mechanical, unregulated blow-forward (direct air flow) system. There is no onboard regulator and no velocity adjustment, with output factory-set at 30+ joules for less-lethal training and operational use. Fire mode is semi-automatic only, improving reliability and consistency in LL configurations.

The launcher accepts .68 caliber round or shaped projectiles and feeds from either the included 18/19-round Gen 3 magazine or optional 32-round Tempest drum magazine. Hopper feeding is also supported when required, providing flexibility across training and scenario applications.

Built around the proven Heat Core design, the G3 LL features tool-less 2-pin takedown, allowing rapid maintenance in dirty, wet, or high-use environments. The reinforced polymer composite receiver integrates steel reinforcements in critical stress areas, delivering exceptional durability without unnecessary weight.

A free-floating metal M-Lok handguard provides modular mounting for accessories, while the interchangeable AR-15 style grip allows users to tailor ergonomics to their preference. The included A5 threaded smooth-bore barrel supports user-preferred barrel options for mission-specific tuning.

The Gen 3 redesign introduces a headless, low-profile magazine, improved feed geometry, and a reinforced magwell, resulting in smoother feeding and increased long-term durability over previous generations.

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What’s New – Gen 3 Improvements

• Headless, low-profile Gen 3 magazine design

• Reinforced magwell with improved feed geometry

• Free-floating metal shroud with steel mounting nut

• Enhanced durability for high-contamination environments

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M17 G3 vs T17 (Quick Comparison)

• Shared components: Magazine, stock, and shroud compatibility

• T17: Lightweight, realistic M4-style platform with Mini D.E.R.P. and F.B.U. internals; requires tools for disassembly

• M17 G3: Heat Core system with tool-less 2-pin takedown; built tougher for professional, dirty, or high-use roles

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Key Features

• .68 caliber less-lethal launcher

• Fully mechanical, unregulated direct air flow system

• Factory-set 30+ joule output

• Semi-auto only (no full auto)

• Accepts round and shaped projectiles

• Gen 3 low-profile magazine system

• Free-floating metal M-Lok handguard

• Tool-less 2-pin maintenance takedown

• Interchangeable AR-15 style grip

• Hopper-feed capable

• Built for training, sport, and authorized operational use

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Package Includes

• Milsig G3 Launcher (Less-Lethal configuration)

• 1 × 18/19-round Gen 3 magazine

• MATS 13ci compatible buttstock

• Free-floating metal M-Lok handguard

• 190 mm A5 threaded smooth-bore barrel

• Polymer flip-up sights

• Barrel plug

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Not Included

• Hopper feed neck

• Dummy magazine

• AR-15 style bolt reset handle