LEWIS MACHINE & TOOL (LMT)
MRP® 14.5" MID CHROME LINED 1:7" TWIST 5.56 BARREL ONLY
Built for LMT’s MRP and MRP CQB quick-change barrel platform, this 14.5” barrel is chambered in 5.56×45 NATO and features a chrome-lined bore with a 1:7” right-hand twist.
The barrel comes with the gas system already installed for use with compatible MRP upper receivers. LMT’s quick-change system allows the barrel to be removed and replaced using the retaining bolts located at the base of the handguard and secured to the manufacturer’s specified torque. The MRP platform also allows compatible barrel lengths and calibers to be swapped to suit different configurations.
Features:
- 14.5” chrome-lined barrel
- 5.56×45 NATO
- 1:7” right-hand twist
- Compatible with LMT MRP and MRP CQB monolithic upper receivers
- Cryogenically treated for increased durability
- Low-profile gas block
- Mid-length straight gas tube
- A2 birdcage pre-installed
Compatibility: Designed for LMT CQB/MRP monolithic receivers. Not compatible with LMT MWS receivers.

