
Availability: In Stock
The Midwest Industries G4M AR-15 M-LOK handguard is a slim, lightweight option for builders and shooters upgrading an existing rifle. Built from 6061-T6 aluminum and fully anodized in black, this free-float handguard strips away weight and bulk while delivering the mounting versatility modern shooters expect. Seven sides of M-LOK slots let you mount lights, lasers, foregrips, and accessories exactly where you need them, and the included Magpul five-slot rail section gives you traditional Picatinny real estate on top.
This is a precision-machined handguard that handles daily use—the aluminum won't flex under recoil, and the fully dehorned edges mean no sharp corners digging into your hands during long range sessions or tactical drills. The G4M's slim profile keeps your rifle nimble and cuts unnecessary weight, while the patent-pending torque plate system and included barrel nut tool make installation straightforward on your own workbench. Made in the USA, it's built to last.
Whether you're finishing a new build or refreshing an older platform, the G4M gives you a modern handguard without the weight penalty or unnecessary bulk. The 12.6-inch length works well on intermediate uppers, and the integrated top Picatinny rail is already there when you need it.
| Material | 6061-T6 Aluminum, Black Anodized |
| Length | 12.6 inches |
| Outside Diameter | 1.5 inches |
| Inside Diameter | 1.3 inches |
| Mount Type | M-LOK |
| Top Rail | Mil-Std 1913 Picatinny |
| Included Accessories | Proprietary barrel nut, barrel nut tool, one 5-slot Magpul M-LOK Picatinny rail section |
| Origin | Made in the USA |
The G4M is a free-float handguard designed for AR-15 platforms. It includes a proprietary barrel nut and barrel nut tool for installation. Confirm that your upper receiver is compatible with the barrel nut type before purchasing.
The handguard features M-LOK slots on seven sides and includes one five-slot Magpul M-LOK Picatinny rail section. The integrated top rail is Mil-Std 1913 Picatinny, so you can mount any standard Picatinny accessories there.
Yes. The G4M is fully dehorned, meaning the edges are rounded and smooth rather than sharp. Combined with the slim 1.5-inch outside diameter, it's designed for comfortable, non-abrasive handling during shooting and training.
The G4M includes five anti-rotation QD (quick-detach) sling swivel sockets integrated into the design, so you can mount a standard QD sling attachment.


SKU: 115647580 • Width: 3.9in • Height: 3.3in • Depth: 14in • Weight: 1.2oz





Availability: In Stock
The Midwest Industries G4M AR-15 M-LOK handguard is a slim, lightweight option for builders and shooters upgrading an existing rifle. Built from 6061-T6 aluminum and fully anodized in black, this free-float handguard strips away weight and bulk while delivering the mounting versatility modern shooters expect. Seven sides of M-LOK slots let you mount lights, lasers, foregrips, and accessories exactly where you need them, and the included Magpul five-slot rail section gives you traditional Picatinny real estate on top.
This is a precision-machined handguard that handles daily use—the aluminum won't flex under recoil, and the fully dehorned edges mean no sharp corners digging into your hands during long range sessions or tactical drills. The G4M's slim profile keeps your rifle nimble and cuts unnecessary weight, while the patent-pending torque plate system and included barrel nut tool make installation straightforward on your own workbench. Made in the USA, it's built to last.
Whether you're finishing a new build or refreshing an older platform, the G4M gives you a modern handguard without the weight penalty or unnecessary bulk. The 12.6-inch length works well on intermediate uppers, and the integrated top Picatinny rail is already there when you need it.
| Material | 6061-T6 Aluminum, Black Anodized |
| Length | 12.6 inches |
| Outside Diameter | 1.5 inches |
| Inside Diameter | 1.3 inches |
| Mount Type | M-LOK |
| Top Rail | Mil-Std 1913 Picatinny |
| Included Accessories | Proprietary barrel nut, barrel nut tool, one 5-slot Magpul M-LOK Picatinny rail section |
| Origin | Made in the USA |
The G4M is a free-float handguard designed for AR-15 platforms. It includes a proprietary barrel nut and barrel nut tool for installation. Confirm that your upper receiver is compatible with the barrel nut type before purchasing.
The handguard features M-LOK slots on seven sides and includes one five-slot Magpul M-LOK Picatinny rail section. The integrated top rail is Mil-Std 1913 Picatinny, so you can mount any standard Picatinny accessories there.
Yes. The G4M is fully dehorned, meaning the edges are rounded and smooth rather than sharp. Combined with the slim 1.5-inch outside diameter, it's designed for comfortable, non-abrasive handling during shooting and training.
The G4M includes five anti-rotation QD (quick-detach) sling swivel sockets integrated into the design, so you can mount a standard QD sling attachment.
SKU: 115647580 • Width: 3.9in • Height: 3.3in • Depth: 14in • Weight: 1.2oz

