Videos tagged with Barrel Dimpling

This video from SOLGW discusses the necessity and method of pinning gas blocks, specifically highlighting it as 'insurance' for fighting rifles that will undergo heavy usage. The presenter explains their technique for pinning gas blocks in addition to the standard barrel dimpling process, emphasizing its importance for reliability in demanding situations. The content focuses on a specific gunsmithing practice aimed at enhancing the durability and performance of an AR-15 platform rifle.

This 'Smith Busters' episode from Brownells debunks the myth that dimpling a barrel for a gas block is always necessary. Experts Stephen and Caleb explain that modern gas blocks often feature cup-tipped set screws that self-thread into the barrel, negating the need for dimples. While dimpling can offer added security and consistency, especially for high-volume work, it's not a mandatory step for most AR-15 builds. Pinning remains the most secure method for gas block attachment.

This video details the critical process of dimpling an AR-15 barrel for proper gas block alignment, preventing malfunctions. It highlights the risks of improper installation and emphasizes that Sons of Liberty Gun Works barrels come pre-dimpled. The demonstration covers using a jig, the drilling process, and secure gas block installation with Loctite 271 and specific set screws.

This video details the process of pinning an AR-15 gas block using the BRD Engineering Gas Block Pinning Jig. It covers the essential steps of drilling through the gas block and barrel, reaming with a taper reamer, and seating the taper pin. Key takeaways include the importance of proper alignment, using the correct drill bit (#31) and reamer (2/0 taper), and the necessity of cutting oil for smooth drilling.

This video demonstrates how to properly dimple an AR-15 barrel for a gas block using a BRD Engineering jig. Dimpling ensures the gas block set screws have a secure seating point, preventing movement and maintaining alignment with the gas port. The process involves using a specialized jig to accurately locate and drill the dimples, crucial for reliable firearm function.