The TacFire MAR001S2 Low-Profile Micro Gas Block .750" Black Oxide Steel is a compact, CNC precision-machined gas block designed to integrate cleanly on AR-15 barrels with a .750" gas journal. Built from superior quality steel and finished in erosion-resistant black oxide, it offers a durable, low-profile solution that fits easily under most free-float handguards while maintaining reliable gas flow.

This micro gas block is ideal for modern AR builds where a streamlined barrel profile and dependable cycling are priorities, whether you are assembling a new rifle or upgrading an existing setup. Compatible with .750" diameter barrels and supplied with a roll pin and set screws, it installs securely and supports consistent performance during training, range use, or general-purpose shooting. TacFire’s attention to machining and heat treatment provides a solid balance of durability and value for builders who want proven parts without unnecessary complexity.

Key Features:

• Manufacturer: TacFire
• Model: MAR001S2 Low-Profile Micro Gas Block
• Material: Steel
• Finish: Black Oxide
• Size: .750" Gas Journal
• Firearm Fit: AR-15 / AR-Pattern Rifles
• Included Hardware: Roll Pin And Set Screws