Fullauto AR-18 vs. Brownells BRN180

The Armalite AR-16 is a rare prototype chambered in 7.62 NATO, bridging the gap between the AR-10 and AR-18. It features a short-stroke gas piston, dual recoil springs, and a unique 5-aperture rotating rear sight. Only two AR-16s are known to exist, making it a significant piece of Armalite's design history.

The Armalite AR-16 represents a crucial, yet often overlooked, step in rifle development, bridging the gap between the AR-10 and the AR-18. It pioneered the use of stamped sheet metal receivers and a short-stroke gas piston system to reduce manufacturing costs. Though never mass-produced, its design innovations significantly influenced subsequent combat rifle designs like the L85, Steyr AUG, and G36.

The BRN-180 Gen 3 is presented as a significant upgrade over previous generations, addressing user feedback with a non-reciprocating charging handle and an improved 3-position gas system. Its piston operation offers a smoother shooting experience compared to direct impingement AR-15s. The review covers its performance with various builds and accessories, highlighting its potential as a modern sporting rifle.

The BRN 180 in 300 Blackout demonstrates impressive performance, particularly when suppressed, as shown in a high-speed shooting montage. The video highlights the integration of the BRN-180 upper with a custom lower, Trijicon MRO optic, and a folding stock. Ammunition preparation using Mark-I Genesis Launch ammo boxes and custom magazines is also featured, showcasing a well-equipped setup for range testing.

This video provides a review of the Brownells BRN4 upper assembly, presented as an "at home" alternative to the HK416. The creator discusses their desire for an HK416, the expense of the MR556, and how the BRN4 fills that gap. The review includes first shots and offers links for more information, channel support via Patreon, and social media follows.

This video details a significant durability test of the Brownells BRN-4 rifle after it experienced a catastrophic failure due to a faulty ammunition round. The speaker, from Regular Guy Training, highlights the rifle's exceptional resilience, noting minimal damage and no performance degradation after firing an additional 4,000 rounds post-incident. This demonstrates the BRN-4's robust construction and ability to withstand extreme stress.

The Daniel Defense DDM4 PDW chambered in .300 Blackout is presented as a highly effective modern defensive tool. It features a 7-inch barrel, 20-round capacity, and is shown with accessories like a Trijicon RMR and Surefire Scout light. The .300 Blackout cartridge's utility in a PDW platform is highlighted, despite common misunderstandings, with a live-fire demonstration showcasing its effectiveness.

This video compares the 5.56 cartridge to the more powerful .30-06 Springfield, highlighting the latter's historical use. It features a Remington 742 semi-automatic rifle in .30-06, questioning the classification of traditional firearms as 'assault weapons'. Live fire demonstration showcases the rifle's performance.

This review details the AR-57 upper receiver, a conversion for the standard AR-15 platform chambered in 5.7x28mm. It highlights the unique top-mounted P90 magazine system and a clever downward ejection modification using a cut Magpul PMAG to catch spent brass. The demonstration confirms the effectiveness of this brass-catching hack.

The Ruger Mini-14, chambered in .223 Remington/5.56 NATO, is examined for its 'weapon of war' status. The review highlights its modularity, demonstrated by a quick stock swap from synthetic to wood folding. Live fire shows its capabilities, contrasting its public perception with other firearms.