The LMT .300 Blackout MRP Barrel is designed for use with LMT Monolithic Rail Platform (MRP) upper receivers, allowing compatibility with LMT’s quick-change barrel system. Available in 8.25-inch and 10.5-inch lengths, this barrel is chambered in .300 AAC Blackout and features a 1:7 right-hand twist rate suitable for a wide range of .300 BLK ammunition. The barrel is configured with a pistol-length direct impingement gas system and a low-profile gas block, making it compatible with compact rifle and pistol configurations built around the LMT MRP platform.
Constructed from chromoly steel with a chrome-lined bore, the barrel is designed for durability and long-term use. The barrel also undergoes cryogenic treatment as part of the manufacturing process. Each barrel includes a pistol-length straight gas tube and an A2-style flash hider, allowing installation on compatible LMT MRP upper receivers. The quick-change barrel interface allows the barrel to be installed or removed using the MRP’s locking bolt system.
Specifications
- Platform Compatibility: LMT Monolithic Rail Platform (MRP) Upper Receivers
- Caliber: .300 AAC Blackout
- Barrel Length Options:
- 8.25″
- 10.5″
- Twist Rate: 1:7″ Right-Hand
- Operating System: Direct Impingement
- Gas System: Pistol-Length Gas System
- Barrel Material: Chromoly Steel (Chrome Lined)
- Treatment: Cryogenically treated
- Gas Block: Low-profile gas block
- Gas Tube: Pistol-length straight gas tube
- Muzzle Device: A2-style flash hider
- Weight: Approx. 1.644 lbs
