FAB Defense FX-MA2B 5-Slot M-LOK to Picatinny Rail Adapter

Expand your accessory mounting options with the FAB Defense FX-MA2B 5-Slot M-LOK to Picatinny Rail Adapter. Designed for shooters who demand versatility and reliability, this polymer rail section attaches directly to any M-LOK compatible handguard or forend, instantly adding a full 5-slot Picatinny (MIL-STD-1913) rail section for mounting lights, lasers, grips, bipods, and other tactical accessories.

Constructed from high-strength reinforced polymer, the FX-MA2B delivers a lightweight yet durable mounting solution that won’t add unnecessary bulk or weight to your rifle setup. The precise fit ensures a rock-solid platform that holds zero and withstands hard use in the field or on the range. Whether you’re building out a duty rifle, hunting setup, or competition gun, this affordable rail adapter from FAB Defense is a smart, practical upgrade.

At Deep Roots Rifle Co, we stock a wide selection of handguard accessories and rail systems to help you build the perfect setup. Order online for fast shipping nationwide, or stop by our gun store in Eustis, Florida, and let our knowledgeable staff help you find exactly what you need.