Midwest Industries G4 M-LOK Handguard 15" Black
$189.74
Midwest Industries G4 M-Lok Handguard 15″ Black
A high-quality, made-in-USA M-Lok handguard designed for rugged durability and versatility. This 4140 heat-treated construction features a Type 3 hard coat anodized finish and is compatible with standard MIL-STD 1913 Picatinny top rails. Includes M-Lok rail for adjustable accessory mounting options.
12 in stock
Features:
- 4140 Heat Treated Barrel Nut
- Barrel Nut and Wrench Included
- Features Patented 4140 Heat Treated Torque Plate
- 15.0" overall length
- 11.5 oz Installed Weight
- 6061 Aluminum Type 3 Hard Coat Anodized
- Continuous MIL-STD 1913 Picatinny Top rail
- Five Integral Anti-Rotation QD Sling Sockets
- Super Slim 1.5” Outside and 1.3” Inside Diameter
- Seven Sides of M-LOK
- 5-Slot Polymer M-LOK rail included
- Fully Dehorned and Deburred
- 100% Made in USA- Keeps America Working
- MI Lifetime Warranty
| Weight | 1.425 lbs |
|---|---|
| Dimensions | 17.000 × 3.850 × 3.400 in |
| Manufacturer | Midwest Industries |
| Finish | Type 3 Hard Coat Anodized |
| Weight | 11.5 oz |
| Material | 6061 Aluminum |
| Dimensions | 15.0″ |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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