LMT Defense - 10.5" Chrome Lined MRP .300 Blackout Barrel Assembly - R-L7BH1B

The LMT Defense 10.5" .300 Blackout Chrome Lined MRP Barrel Assembly (R-L7BH1B) is purpose-built for suppressed or subsonic shooting in a compact SBR package. This 10.5-inch chrome lined .300 Blackout barrel features a 1:7" right-hand rifling twist, pistol-length gas tube, low-profile gas block, and A2 birdcage flash hider. The barrel is coated and cryogenically treated for superior longevity.

Designed for the LMT MRP-L monolithic receiver, the 10.5" .300 BLK barrel pairs perfectly with suppressors for subsonic ammunition, making it an outstanding choice for home defense, competition, and professional applications. The 1:7" twist stabilizes both supersonic and subsonic .300 BLK projectiles. Direct Impingement operation. Barrel not included in upper receivers.

Specifications

• Caliber: .300 Blackout (.300 BLK)
• Barrel Length: 10.5" (266 mm)
• Rifling Twist: 1:7" RH
• Gas System: Pistol Length
• Operating Method: Direct Impingement
• Barrel Material: Chromoly, chrome lined
• Gas Block: Low profile
• Muzzle Device: A2 birdcage flash hider
• Suppressor compatible — ideal for subsonic .300 BLK
• Compatible Platform: LMT MRP-L (Light)