Bufferless AR Pistol Build: 3 UNEXPECTED Failures You Need to See

This video provides a comprehensive, step-by-step guide to building a .300 Blackout AR pistol. Lead Firearms Instructor Caleb from Brownells demonstrates the installation of various components, including receiver sets, barrels, handguards, triggers, and accessories. The guide emphasizes proper tool usage, torque specifications, and functional checks throughout the build process.

This video provides an in-depth review and build overview of a Palmetto State Armory (PSA) 300 Blackout AR-15 pistol. The host, Mrgunsngear, details the component selection, assembly process, and performance testing, highlighting the build's value and reliability. The review covers barrel specifications, accuracy results with various ammunition, suppressed shooting, and a comprehensive 1,000-round reliability test, concluding that the build offers exceptional value and performance for its approximate $600 component cost.

This guide details the assembly of a custom bufferless AR pistol build, leveraging the Brownells BRN-180S upper receiver. The build emphasizes a short-stroke piston system for cleaner operation and compatibility with standard AR-15 lower receivers. It highlights the integration of accessories like the SB Tactical FS1913 brace, Nikon red dot, and Olight weapon light. The expert demonstrates advanced assembly techniques, including overcoming tight fitment tolerances with an Aero Precision lower.

This video details troubleshooting and testing of two custom-built firearms: a 7.62x39 pistol and a .308 AR-10. The presenter, Elliott Delp, addresses previous cycling issues by adjusting the gas block alignment on the 7.62x39 pistol and modifying the buffer system. The .308 build also faced cycling problems, with potential causes like a mis-milled charging handle and buffer weight being investigated. The testing reveals partial success with the 7.62x39 pistol using Tula hollow points, but subsequent attempts with Red Army FMJ ammunition encountered feeding and cycling failures.

This video provides a step-by-step guide on how to change the flash hider or compensator on a BRN-180 upper receiver, specifically focusing on the .300 Blackout BRN-180S Gen2 model. The instructor, Caleb Savant from Brownells Gun Tech, highlights that the process differs from 5.56/.223 variants. Key steps involve adjusting the jam nut, unscrewing the muzzle device, removing the jam nut to reveal a crucial C-clip, and reassembling. The C-clip's importance for suppressor alignment is emphasized, as it interfaces with the barrel shoulder and subsequent components. The video concludes by showing the ease of installing a standard muzzle device and reassuring viewers about the C-clip's accessibility.

This video provides a detailed breakdown of building a budget AR pistol, contrasting it with buying a factory-made option. The presenter, Mark, emphasizes cost control and customization as key benefits of building, highlighting specific component choices and their price points. He also touches on the practical considerations of owning an AR pistol for home defense and urban environments.

This guide details 10 common mistakes to avoid when building an AR-15, drawing on the expertise of the Tactical Toolbox host. It emphasizes planning, selecting quality critical components like barrels and BCGs, and using the correct tools for assembly. Key takeaways include avoiding overspending on lowers, prioritizing function over aesthetics, and ensuring proper barrel installation with torque and headspace checks.

This guide provides a comprehensive approach to selecting your first handgun, emphasizing purpose, type, size, caliber, and ergonomics. It highlights the importance of testing firearms at a range before purchase and offers top recommendations for new owners. Instruction is delivered with practical, experience-driven insights.

This video provides a comprehensive guide to essential AR-15 upgrades under $100, focusing on improving reliability, ergonomics, and performance. Key recommendations include indexing the cam pin, upgrading to better bolts or extractor kits, installing drop-in triggers, and enhancing grip and stock options from brands like B5 Systems and Magpul. The host also covers foregrips, ambi controls, muzzle devices, and essential maintenance items like White Lithium Grease.

This review details the CMMG MK57 AR-15 platform chambered in 5.7x28mm, highlighting its innovative Radial Delay Blowback system. The host, Mr. GunsnGear, an experienced firearm builder, explains how this system reduces recoil and muzzle rise. Despite the technical advantages and smooth operation, the review concludes that the high cost and limited availability of 5.7x28mm ammunition make this otherwise impressive firearm a difficult purchase for most consumers.