LUXUS ARMS HM DEFENSE HMP15FMB556 RAIDERM556 5.56 12.5″

The LUXUS ARMS (HM DEFENSE) HMP15FMB556 RAIDERM556 is an AR-style SBR pistol chambered in .223 Rem/5.56 NATO with a 12.50″ match-grade threaded Monobloc barrel. It is built with a 10.38″ free-floating Picatinny rail and forged aluminum upper and lower receivers. The package includes an HD Defense adjustable Close Quarter (CBQ) stock, enhanced grip, and a magazine.

Key Specifications

• Manufacturer: LUXUS ARMS (HM DEFENSE).
• Model: HMP15FMB556 RAIDERM556.
• Caliber: .223 Rem / 5.56 NATO.
• Barrel: 12.50 inches match-grade threaded Monobloc barrel with an integrally machined gas block.
• Rail: 10.38 inches free-floating Picatinny rail.
• Receivers: Forged aluminum upper and lower.
• Bolt carrier group: M16 bolt carrier group with charging handle and buffer tube/spring.
• Capacity: 30 + 1.
• Stock: HD Defense adjustable Close Quarter (CBQ) stock.
• Weight: 5.12 lbs.

Designed for compact handling and modular accessory mounting, the RaiderM556 pairs a match-grade monobloc barrel and full-length rail with forged receivers and a standard M16 bolt carrier group to provide a durable, accessory-ready platform suitable for close-quarters and precision-oriented setups.