What is a CMMG Mk9?

Elliott Delp highlights the PSA Gen4 AR9 as a highly recommended firearm, emphasizing its super compact size and compatibility with ubiquitous Glock magazines. This makes it an ideal choice for a go-bag, backpack, or vehicle, offering convenience and ease of accessory integration. The review showcases practical handling and the benefits of its non-proprietary magazine system.

Amber and Doshie from Exile Armory showcase a wide array of new firearms and accessories. The video features various pistols, rifles, shotguns, and suppressors from brands like FN, Q, Bergara, Springfield Armory, and Beretta, with detailed pricing and some technical specifications provided. The presentation is casual and informative, highlighting new inventory for customers.

This video provides an expert overview of popular Pistol Caliber Carbine (PCC) calibers: 9mm, .45 ACP, and 10mm. The presenter, demonstrating significant firearms expertise, highlights the trade-offs between these rounds, focusing on recoil, capacity, cost, and effectiveness. It's a concise guide for those considering a PCC.

This expert analysis from Line45 identifies seven firearms struggling in the 2026 market, attributing their slow sales to factors like safety recalls, reliability issues, high ammunition costs, and market saturation. The video highlights how early production problems and regulatory uncertainty can significantly impact a firearm's long-term market viability, even for well-regarded brands. Buyers are increasingly prioritizing proven track records and value over novel features when making purchasing decisions in a normalized market.

Colion Noir assesses the $600 Ruger Harrier AR-15, concluding it's sufficient for most users who desire a functional, reliable rifle without complex modifications. He highlights its balanced handling and adequate performance at typical engagement distances (50-100 yards), comparing it favorably in perceived quality to a much more expensive HK MR556. This review targets the 'guy who just wants a rifle' rather than the 'AR guy' focused on building.

Colion Noir reviews the Ruger Harrier, an AR-15 platform rifle priced around $600, arguing it's sufficient for most users. He highlights its modern aesthetic, tight upper/lower lockup rivaling more expensive models, and balanced handling. The review targets the 'guy who just wants a rifle' rather than a project build, emphasizing its value as a reliable, modern, and adaptable firearm.

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.