PSA Upper Receiver Autopsy - Part 1

This video features the unboxing of a Palmetto State Armory (PSA) Dissipator upper receiver, marking the beginning of a new project for the creator. The uploader expresses a long-standing desire for this specific component and plans to assemble a "Dissipator sort of" rifle. This initial installment sets the stage for a series dedicated to this custom build. The video also provides contact information for "appalachiansmokewagon@gmail.com."

This two-part video, "PSA Upper Receiver - Clocked Barrel Autopsy (Part 2/2)", appears to be a technical deep-dive into a specific firearm component. Given the title, it likely focuses on disassembling and examining a PSA (Palmetto State Armory) upper receiver, with a particular emphasis on issues related to a "clocked barrel." This suggests a detailed look at potential manufacturing defects, assembly problems, or performance anomalies. The content is geared towards firearm enthusiasts interested in the mechanics and troubleshooting of AR-15 platforms.

This video provides an in-depth analysis of two PSA AR-15 upper receivers, focusing on critical components like muzzle device torque, barrel thread concentricity, gas port size, and bolt carrier group (BCG) tolerances. While the uppers are deemed decent for their price point (around $300), potential issues like slight over-gassing and the use of extractor O-rings are noted. The analysis uses specialized tools and adheres to technical standards, offering valuable insights for builders and enthusiasts.

This video details the process of building a budget-friendly AR-15, specifically utilizing a Palmetto State Armory 20" Freedom Rifle Kit. The focus is on creating a reliable firearm for potential SHTF (S*** Hits The Fan) scenarios while keeping accessory costs extremely low. The creator also highlights a separate M16A4 setup for viewers interested in that particular configuration, directing them to their website for build lists and sponsor information.

This YouTube video focuses on the ease of swapping parts on a rifle. The title suggests a demonstration or tutorial for rifle modifications, highlighting simplicity and accessibility for viewers interested in customizing their firearms. The content is likely aimed at individuals looking to perform their own rifle upgrades or repairs.

This guide details the cleaning and maintenance procedures for various adjustable gas blocks, including screw-style, JAKL, and Riflespeed models. It emphasizes the importance of regular cleaning to prevent carbon lock and ensure reliable firearm function, especially when using suppressors. The guide provides specific steps for disassembly, cleaning, and reassembly, along with recommended maintenance intervals.

This video details the diagnosis and repair of a feeding issue on a Sons of Liberty Gun Works East India upper receiver. The root cause was identified as a sharp burr on the barrel extension's feed ramp, causing rounds to jam. The solution involved polishing the feed ramps and adding a secondary bevel, replicating Colt's design, which successfully resolved the malfunction.

This video demonstrates the internal mechanics of an AR-15 bolt carrier group using cutaway models. It highlights the importance of internal bore dimensions for gas system efficiency and explains how to diagnose potential issues like gas leaks. The demonstration covers the cycle of operation, critical seals, and common manufacturing defects, offering advanced insights for AR-15 maintenance and troubleshooting.

This video provides a detailed autopsy of a faulty AR-15 Bolt Carrier Group (BCG). The analysis reveals critical manufacturing defects including an undersized bolt tail failing gauges, excessive firing pin protrusion causing pierced primers, an oversized firing pin hole, and an oversized cam pin hole leading to headspace issues. These flaws significantly compromise the BCG's function and reliability.

This video demonstrates a specialized technique for swapping an AR-15 rear takedown pin without full firearm disassembly. It highlights the use of a custom-fabricated tool, often made from a 1/16 inch Allen wrench, to depress the detent. The method allows for efficient pin replacement, particularly useful on rifles with staked castle nuts, by leveraging the old pin to guide the new one into place.