Midwest Industries SP Series Free Float M-LOK Handguard
Rugged, Free-Float Design with M-LOK Compatibility for Suppressed AR Platforms
The Midwest Industries SP Series Free Float M-LOK Handguard is designed to deliver superior performance and reliability for AR-15 platforms, particularly those equipped with suppressors. Featuring seven sides of M-LOK slots and a one-piece, free-float design, this handguard is perfect for shooters who require durability and modularity without sacrificing weight. With a slim profile and compatibility for suppressors up to 1.55″ in diameter, this handguard provides ample accessory mounting options while keeping your rifle lightweight and maneuverable.
Features
- Extremely Rugged One-Piece Free-Float Design: Engineered for maximum strength and stability under the most challenging conditions.
- Seven Sides of M-LOK Slots: Offers versatile mounting options for a wide range of accessories.
- Suppressor Compatibility: Designed for use with suppressors no larger than 1.55″ in diameter.
- Internal and External Dimensions: 1.670″ inside diameter, 2.0″ outside diameter, 1.95″ over mounting flats for a slim, sleek profile.
- MIL-STD 1913 Top Rail: High-quality, T-marked Picatinny rail for consistent accessory placement.
- Included: One 5-slot M-LOK polymer rail section, barrel nut, and barrel nut wrench.
- Durable Construction: Built from 6061 aluminum with a hard coat anodized finish for a lifetime of reliable service.
- Lifetime Warranty: Backed by the Midwest Industries Lifetime Warranty, ensuring long-lasting performance.
- 100% Made in the USA: Proudly manufactured in America to keep America working.
Specifications
- Material: 6061 Aluminum
- Finish: Type III Hard Coat Anodized
- Barrel Nut: 4140 Steel Heat-Treated, Includes Barrel Nut Wrench
- Inside Diameter: 1.670″
- Outside Diameter: 2.0″ (1.95″ over mounting flats)
- Suppressor Compatibility: Up to 1.55″ diameter
- Top Rail: MIL-STD 1913, T-marked
Installed Weights
- 7.25″ – 9.0 oz
- 9.25″ – 10.2 oz
- 10.50″ – 11.2 oz
- 12.625″ – 12.8 oz
- 15.0″ – 14.6 oz
- 18.0″ – 16.0 oz
IMPORTANT COMPATIBILITY NOTES
- Ensure fit with billet upper receivers by contacting the manufacturer. Compatible with forged upper receivers and Midwest Industries billet upper receivers.
- Not compatible with gas piston ARs.
The Midwest Industries SP Series Free Float M-LOK Handguard provides AR-15 shooters with the perfect combination of strength, modularity, and suppressor compatibility. The free-float design improves accuracy by eliminating pressure on the barrel, while the M-LOK slots allow the addition of essential tactical accessories. Whether for competition, tactical use, or casual range days, this handguard is built to handle any scenario while keeping your rifle lightweight and maneuverable.
Upgrade your AR-15 with the Midwest Industries SP Series Free Float M-LOK Handguard today. Experience the perfect balance of durability, modularity, and suppressor compatibility for optimal performance. Proudly made in the USA and backed by a lifetime warranty, this handguard is built to withstand the test of time.




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