This SmythBusters episode tackles five common myths surrounding AR-15 rifle builds. The video debunks misconceptions about using reaction rods, the state of raw aluminum after lapping, gas block alignment, clamping the barrel for muzzle device installation, and the practice of using a torque wrench for barrel nut removal. Key takeaways include alternative methods to reaction rods, the protective benefits of grease on lapped aluminum, the forgiving nature of gas port hole sizing, the acceptability of clamping for muzzle device work, and that torque wrenches are not ruined by barrel nut removal. The video aims to educate viewers and set the record straight on these building practices.
This video continues a series on AR-15 building mistakes, focusing on common errors often overlooked. Presenters Steve and Caleb from Brownells cover critical issues such as incorrect barrel nut torque and alignment, misuse of Dremel tools for 'fixes,' and improper gas block alignment. They also advise on keeping spare small parts, a common castle nut installation error (installing backward), and the disconnector and bolt catch spring mix-up. The content is presented with humor and expertise, aiming to educate both novice and experienced builders on achieving precision and avoiding costly errors in AR-15 assembly.
This video from Brownells features Steve and Caleb discussing five common mistakes made during AR-15 assembly and modification. They cover issues like improper accessory mounting that interferes with the gas block, misaligned gas blocks, over-torquing the castle nut, excessive upper receiver lapping, and incorrect buffer tube installation. The video emphasizes learning from these errors to improve reliability and accuracy, encouraging community knowledge sharing for both novice and experienced builders.
This video provides a quick, under-5-minute guide on how to install a gas tube on an AR-15 or AR-style rifle. Presented by AT3 Tactical, the tutorial covers the necessary tools, preparation of the gas block, alignment of the gas block and gas tube, and the proper technique for installing the gas tube roll pin. It aims to help beginner builders and the broader AR-15 community become more informed and safe firearm enthusiasts.
This video provides a step-by-step guide on how to properly align a gas block on AR-15 and AR-style rifles, aiming to assist viewers in building their own firearms. AT3 Tactical, a Federal Firearms Licensee, shares their expertise, developed from building thousands of ARs annually, to help viewers complete their builds efficiently, often in under five minutes. The tutorial covers necessary tools, the process of sliding the gas block and tube onto the barrel, achieving proper alignment, fine-tuning, and tightening, and finally installing a free float handguard. The content is presented with the goal of informing the AR-15 community and promoting safer firearm handling and building practices.
This video provides a quick tip from Brownells Gun Tech™ Caleb Savant regarding the proper alignment of AR-15 gas blocks, specifically addressing the common misconception about needing a gap between the gas block and the barrel's shoulder. Caleb clarifies that for 5.56 NATO / .223 Remington AR-15s, the gas hole in the block is larger than the barrel port, meaning a gap is not necessary for proper gas flow. He demonstrates using a borescope that pushing the gas block flush against the shoulder does not obstruct gas flow. The advice is to align the block with a dimple if present, or push it tight against the shoulder if using a clamp-on block or if the barrel is not dimpled. This rule is specifically for 5.56 / .223 caliber AR-15s.
This Brownells Tech Tip features gunsmith Steve Ostrem demonstrating the proper techniques for aligning a gas block on a firearm. The video aims to provide viewers with a clear and effective method to ensure correct gas system function, which is crucial for reliable operation of many semi-automatic firearms. It is an instructional video focused on a specific aspect of firearm maintenance and assembly.
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