This guide details the installation of the CMMG ZEROED Adjustable Gas Block. It emphasizes pre-installation steps like securing the barrel nut and aligning the gas tube. The process involves sliding the gas block onto the barrel, aligning set screws with barrel recesses, and securing them. Proper alignment is crucial for optimal gas system function and is indicated by the flushness of the set screws.
This video demonstrates a modification to a Knights Armament SR-15 lower receiver to address a common issue of the bolt catch roll pin walking out. The instructor explains how to thread the bolt catch pin bore to accept a threaded bolt catch, a solution often seen on other precision lower receivers. This modification prevents the pin from loosening over time, ensuring reliable bolt catch function.
This guide provides an expert-level, step-by-step procedure for installing an AR-15 gas tube, as demonstrated by an experienced firearms instructor. It details the critical steps of preparing the gas block, seating the gas tube, and securely fastening it with the roll pin using specific tools and techniques. The instruction emphasizes a methodical approach to ensure proper alignment and secure attachment for reliable firearm function.
This video provides a detailed, step-by-step guide on how to swap barrels on a Brownells BRN-4 upper receiver, which is an HK-416 clone. It covers the necessary tools, the process of removing the old barrel and gas block, installing the new barrel, and reassembling the piston system. The guide emphasizes using specific tools like an HK barrel nut wrench and proper torque specifications for reassembly.
This video provides a practical gunsmithing tip from Mike on how to install a trigger guard roll pin, specifically recommending the use of adjustable pliers (channel locks). The technique aims to prevent damage to the lower receiver tabs by offering support during the installation process. The description also includes links to CMMG's website and social media channels (Instagram and Twitter), indicating the manufacturer is CMMG.
This guide details the straightforward installation of a forward assist on AR-15 upper receivers. It covers identifying the pin type (roll or threaded), securing the roll pin with a punch, inserting the forward assist spring, and finally, securing the assembly by depressing the forward assist and tapping or screwing in the pin. The process is presented as one of the easier firearm assembly steps.
This guide, presented by Randy from AT3 Tactical, details the step-by-step process for installing a gas tube onto an AR-15 rifle. It covers necessary tools, preparing the gas block and barrel, seating the gas tube, and correctly installing the roll pin. The instruction emphasizes techniques for achieving a flush roll pin and references additional resources for related AR-15 build tasks.
This video provides a quick unboxing and overview of the Aero Precision rifle-length gas tube. It highlights the melonite finish option and confirms the inclusion of a roll pin for installation. The presenter details which end of the gas tube connects to the gas block and which inserts into the upper receiver, offering guidance for AR-15 and AR-10 builders.
This guide details the disassembly of the Smith & Wesson Sigma SW380, a micro-compact pistol known for its budget construction and Glock-like design. The process, as demonstrated by an expert instructor, involves a specific roll pin removal. The SW380 is critically assessed for its materials and limited lifespan, making it suitable primarily as a deep concealment or backup firearm.
This video showcases the AT3™ FU-BAG™ AR-15 Lost Parts Kit. It's designed to help AR-15 builders and enthusiasts who inevitably lose small, critical parts during assembly or maintenance. The kit contains commonly misplaced components like detents, springs, roll pins, and a bolt catch, along with an adhesive bandage for minor injuries. The description emphasizes American-made quality, Mil-Spec compliance, and the AT3 Lifetime Warranty. It also promotes other AT3 Tactical resources, including an AR-15 beginner's guide and an AR-10 builder's guide.
This video explains the potential dangers of dry firing firearms, particularly focusing on how it can damage firing pins and internal components like roll pins in CZ B series pistols. It highlights that even robust firearms like Glocks can suffer rare breech face damage from extensive dry fire. The instructor strongly recommends using snap caps or O-rings to protect firearms during dry fire practice, emphasizing that this is a cost-effective way to preserve firearm longevity.
This guide details the installation of a gas tube roll pin using a specialized tool, recommended for its ease of use and ability to hold the pin securely. The process involves using the tool to tap the roll pin into place, simplifying a task that can be difficult with standard tools, especially for those with larger hands. The video emphasizes using the right tools to avoid damaging components.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.