CMMG Q&A Rides Again! Radial Delayed Blowback

Caleb from Brownells demonstrates the construction of a high-performance Pistol Caliber Carbine (PCC) AR build, focusing on the CMMG radial delayed blowback system. The video highlights the advantages of this system over traditional direct blowback designs, including lighter components, reduced recoil, and enhanced reliability. Caleb meticulously walks through each stage of the assembly, covering the lower and upper receivers, barrel selection, magazine integration, muzzle device installation, and the addition of accessories, culminating in a suppressor-ready firearm.

This video provides an expert-level overview of a custom Springfield Armory TRP Operator Tactical build. The presentation details advanced modifications such as an 11-degree barrel crown, a flush-cut front end ('blocking' process), and custom Cerakote finishing. It highlights specific aftermarket components like the Holosun 507 Comp optic, Trijicon mount, Atlas trigger, and EGW internals, showcasing a professional gunsmith's approach to enhancing a 1911 platform.

This video showcases an AR-9 build featuring a "Drop In" setup from SuperSafeSolutions, utilizing a 10oz Kak Buffer and a heavy bolt weight. The creator excitedly announces the successful initial test firing, indicating the build is operational with a three-position selector. The focus is on the completion and function of this custom AR-9 variant.

This video showcases a heavily modified Sig Sauer P211 GTO, featuring a flared magwell, extended magazine, Trijicon RMR HD optic, front night sights, a large compensator, and a Holosun PID Plus light/laser combo. The presenter highlights the pistol's substantial size and smooth action, emphasizing the quality of the custom build. It also includes a promotional segment for the Sonoran Desert Institute's gunsmithing courses.

This YouTube Shorts video showcases a modular Pistol Caliber Carbine (PCC) buildout. The title strongly suggests a focus on customization and assembly of a PCC. The description includes a link to exclusive gear discounts, indicating potential affiliate marketing or product promotion. The '#' shorts tag signifies a short-form video format, likely a quick highlight of the build process or the finished product.

This video focuses on customizing a California-compliant Zenith ZF-5, an MP5 variant. The creator details various upgrades, explaining the rationale behind aesthetic and performance-enhancing modifications. The video also offers a practical solution for magazine locking to comply with California regulations, making the firearm more versatile than just a range toy.

The CMMG Mk47, a hybrid AR-15/AK-47 platform, requires the AK 'rock and lock' manual of arms for magazine insertion, not the AR-15 straight-up method. Incorrect insertion leads to a 'mag-locked' state, preventing reliable feeding. Testing confirms this method works with various AK-pattern magazines, including Magpul, US Palm, and XTech Tactical.

The CMMG P3 screw, or Personal Position Preset, allows users to set a specific stop point for their rifle's stock or brace. It's stored in the Zeroed grip and installed into the Fastback receiver extension using a 7/64" hex wrench. Adjusting the RipStock requires a 1/8" hex wrench, while the RipBrace uses its adjustment lever to clear the P3 screw.

This video highlights essential AR-15 accessories, prioritizing optics and triggers for improved performance. It also covers practical additions like slings, charging handles, and foregrips. The presenter emphasizes that foundational essentials like ammunition and training are paramount, even above hardware upgrades.

This video provides a comprehensive overview of the CMMG .22LR conversion kit for AR-15 platforms. It details the benefits of cost savings and reduced recoil for training, explains the installation process, and highlights important compatibility distinctions, especially for Mk57 uppers. The review also covers operational nuances like the bolt hold-open feature.