TacFire AR-15 Micro Low Profile Gas Block Features The TacFire AR-15 Micro Low Profile Gas Block is machined from all steel construction giving the gas system a durable heat resistant foundation that stands up to sustained firing. Its micro profile sits lower and smaller than a standard A2 front sight base which it is designed to replace freeing up space for a continuous handguard to run further down the barrel. That compact shape is what lets builders run a Mid Length Specter Length or Rifle Length handguard over a shorter gas system barrel without interference. The result is a cleaner more modern rail setup on a 5.56/.223 or .308 AR without sacrificing the reliable gas impingement operation the platform depends on. Sized specifically for a .936 diameter bull barrel this gas block is a direct fit for heavy-profile barrels that standard thin gas blocks cannot clamp properly. It installs with the included roll pin and set screws and no modification to the barrel itself is required to get a secure properly timed fit. That drop-in compatibility makes it a straightforward option for anyone building or upgrading a bull barrel AR rather than sourcing a custom gas block. Whether the build is a precision rifle length gun or a mid length carbine the TacFire AR-15 Micro Low Profile Gas Block delivers a simple no-fuss path to a low profile rail-friendly gas system. TacFire AR-15 Micro Low Profile Gas Block Specifications Manufacturer: TacFire Model: AR-15 Micro Low Profile Gas Block Type: Gas Block Material: Steel Barrel Compatibility: .936 Diameter Bull Barrel Compatible Hosts: 5.56/.223 and .308 AR-15 Platforms Included Hardware: Roll Pin and Set Screws Available At: GrabAGun