Videos tagged with AR-15 Gas Block

Randy from AT3 Tactical provides an expert-level guide on properly aligning an AR-15 gas block, crucial for reliable cycling. The tutorial details necessary tools, including hex keys and Loctite, and outlines a step-by-step process for both dimpled and non-dimpled barrels. It emphasizes visual alignment checks using the handguard and barrel markings to ensure the gas port, gas block, and gas tube are perfectly synchronized, preventing future cycling issues.

This video provides a detailed guide on safely removing AR-15 front sight gas block taper pins. It emphasizes understanding pin directionality, using the correct tools like a Brownells bench block and Starrett punches, and employing a two-stage striking method with larger punches initially for energy transfer, followed by smaller punches to fully drive the pin out. Proper technique prevents damage to the gas block and barrel.

This video provides a technical explanation of AR-15 gas block diameter. It clarifies that the gas block fits over the barrel and directs combustion gases to cycle the action. The video highlights the importance of matching the gas block diameter to the barrel's outer diameter, listing common AR-15 barrel diameters such as .625" for "pencil" barrels, .750" (most common), .875" for some bull barrels, and .936" for target bull barrels. It emphasizes ensuring the correct gas block diameter is chosen for a specific AR-15 barrel to ensure proper function.