Blown up gun: Update

This video details a user's experience with a broken bolt in their Radical Firearms AR-15, which was subsequently warrantied and replaced with a new bolt carrier group. While the rifle now functions without malfunctions, the bolt carrier group exhibits a failure to hold open on the last round, a recurring issue that the user is still investigating, potentially related to magazines.

Chris from Honest Outlaw, with 10 years of experience with .300 Blackout, explains his decision to move away from the caliber. He highlights its strengths in suppression and short barrels but points out significant drawbacks in terminal ballistics for subsonic rounds, high ammunition cost compared to .45 ACP, and potential reliability issues when switching between subsonic and supersonic loads. The risk of cross-loading with 5.56 NATO is also a major concern.

Hickok45 showcases shooting a BCM upper in 300 Blackout with a Banish 30 Gold suppressor and a Ruger Police Service Six revolver in 357 Magnum. He discusses the importance of critical thinking and avoiding radicalization, contrasting it with the freedom of firearms ownership. The video also touches on the challenges of carrying firearms and knives in restrictive states like Illinois.

This video provides a review of the BCM Enhanced Lightweight Upper. The reviewer acknowledges a tendency to repeatedly use the word "rifle" when referring to AR platforms and encourages viewers to support the channel through Patreon or join their Facebook discussion group.

Yoki Sturrup, an experienced firearm reviewer, critically assesses a Radical Firearms AR-15 chambered in 7.62x39mm. The review highlights significant reliability issues, primarily stemming from magazine feeding problems and projectile setback caused by the bolt impacting the feed ramp. Sturrup strongly advises against this specific AR-15 configuration for the 7.62x39mm caliber, recommending the AK platform instead for this round.

This video details a custom 10.5-inch AR pistol build optimized for home defense, chambered in 300 Blackout. Key components include a Ballistic Advantage barrel, SilencerCo lower receiver, TriggerTech Diamond trigger, and a Midwest Industries handguard. The build emphasizes functional components first, with careful consideration for suppressed shooting and ergonomic accessories like the Unity Riser and Magpul grip.

This video demonstrates a rapid fire drill focusing on efficient magazine reloads and immediate resumption of fire. The shooter, equipped with tactical gear and an M4 Carbine with an ACOG optic, showcases proficient weapon manipulation and recoil control. The drill emphasizes maintaining a high rate of fire while executing smooth tactical reloads.

This review of the Springfield M1A Scout Squad after 7,000 rounds highlights its robust reliability, especially with steel-cased ammunition. The instructor, speaking with high authority from extensive practical experience, details maintenance tips like using grease for lubrication and warns about potential malfunctions caused by glove interference with the operating rod. Cosmetic wear, such as brass marks on the stock, is viewed as a 'badge of honor' from heavy use.

This guide, presented by Regular Guy Training LLC, advocates for using readily available and cost-effective automotive lubricants for firearms. The instructor, drawing on military experience with belt-fed weapons and high-volume shooting, explains why conventional motor oil and high-temperature lithium grease are superior and more economical than many specialized gun lubes. It covers platform-specific recommendations, including considerations for cold weather and different firearm designs like AR-15s, AK-47s, and Glocks.

This guide details building a reliable AR pistol, emphasizing component selection for hard-use scenarios. It covers barrel and gas system choices, DI vs. piston considerations, and the importance of quality upper and lower receivers. The build focuses on practical reliability and shooter ergonomics, including ambidextrous controls and essential accessories, with a total cost around $1600 for the base build.