The Radian Model 1 Upper/Handguard Set for AR-15 in Flat Dark Earth with a 15.5" handguard is ideal for longer barrel builds. This set features a billet-machined 7075-T6 aluminum upper receiver with M4 feed ramps and a 15.5" M-LOK compatible handguard. The upper receiver is reinforced for durability, while the extended handguard offers ample space for accessories with M-LOK slots at 3, 6, and 9 o'clock positions and a full-length Picatinny top rail.
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