Videos tagged with Feed Ramps

This Brownells Tech Tip focuses on the innovative feed ramp design of the BRN-180 rifle chambered in .350 Legend. The video highlights how the BRN-180's single, large feed ramp, made possible by its trunnion design, overcomes the feeding challenges often associated with heavier .350 Legend bullets in AR-style platforms. This design is particularly beneficial for enhancing reliability with subsonic ammunition, offering a distinct advantage over the standard AR-15 dual feed ramp system. The content aims to educate viewers on the engineering principles behind this firearm's improved feeding performance.

This in-depth autopsy of a Black Rain Ordnance SPEC15 AR-15, conducted by an expert armorer, reveals critical manufacturing and assembly flaws. Key issues include an undersized buffer spring, a buffer tube striking the receiver, a loose carrier key, an undersized magwell, and a significantly oversized gas port (.089 inches). These problems collectively lead to over-gassing, violent cycling, and component damage, explaining the rifle's failure to function reliably. The analysis emphasizes the importance of proper component tolerances and gas system tuning for AR-15 reliability.

This YouTube video is an episode of 'The QA' series, specifically the February 2021 installment. The content focuses on answering viewer questions related to firearms. Topics covered include training preparation, firearm safes, and feed ramps. The video encourages viewers to submit their questions via email and thanks Lucky Shot for sponsoring the episode and providing a prize, with a discount code provided for their products. The description also includes links to the Guns & Tactics website and their social media channels, along with disclaimers about the views expressed and affiliate marketing.