The CMMG 55DA38D Low-Profile Gas Block Assembly is designed for AR-15 platforms using a .750-inch inside diameter barrel profile. Its compact low-profile design helps provide compatibility with many free-float handguards while maintaining reliable gas-system function. The assembly is suited for builders, armorers, and shooters seeking a clean, streamlined installation without unnecessary bulk.
Constructed from chrome moly steel, this CMMG gas block is built for durability and dependable service in demanding shooting environments. The black finish provides a subdued appearance and adds a protective surface treatment. As an original CMMG component, part number 55DA38D offers a practical solution for replacing or configuring an AR-15 gas system with a compatible .750-inch barrel journal.
Before installation, confirm that your barrel uses a .750-inch gas-block journal and verify compatibility with your handguard, gas tube, and overall firearm configuration. Professional installation and appropriate alignment are recommended for proper gas-system performance. This product is classified as an AR-15 accessory and is intended for use by qualified individuals in accordance with applicable laws and manufacturer guidelines.
Features:
- Brand: CMMG
- Part Number: 55DA38D
- Type: Low-profile gas block assembly
- Platform: AR-15
- Inside Diameter: .750 inch
- Material: Chrome moly steel
- Finish: Black
- Design: Compact profile for compatibility with many free-float handguards
