The Midwest Industries SP Series M-LOK Handguard is a rugged one-piece design constructed from 6061 aluminum with a hard coat anodized finish. It features a full-length Picatinny (MIL-STD 1913) top rail and M-LOK mounting slots on seven flats along its length for secure accessory placement. The SP Series is designed to provide room for a sound suppressor, offering an inside diameter of 1.75 inches and an outside diameter of 2.0 inches. It ships with a five-slot Magpul M-LOK polymer rail section, barrel nut and barrel nut wrench, and carries a listed weight of 10.2 ounces.
Key Specifications
- Constructed from 6061 aluminum for strength and reduced weight.
- Finished with a hard coat anodized surface for corrosion resistance.
- Designed with an internal diameter of 1.75 inches to accommodate suppressor-ready setups.
- Features an outside diameter of 2.0 inches where noted in manufacturer data.
- Equipped with a full-length Picatinny (MIL-STD 1913) top rail for optics and backup sights.
- Provides M-LOK mounting slots on seven flats for modular accessory placement.
- Includes one 5-slot Magpul M-LOK polymer rail section for immediate accessory mounting.
- Ships with barrel nut and barrel nut wrench included for installation.
- Listed weight is 10.2 oz per manufacturer information.
- Manufactured in the USA.
Built to pair with AR-style rifles where a compact, suppressor-compatible M-LOK platform is needed, the SP Series balances low mass with proven mounting options and a continuous top rail for reliable sighting solutions. Its inclusion of mounting hardware and an accessory rail section makes it practical for builders who value straightforward installation and lasting durability.
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