THE AR FILES | Choosing Barrel Twist and why WE SHOOT the 1:7

This expert-level guide delves into the nuances of AR-15 barrels, specifically comparing 5.56 NATO and .223 Wylde chambers. It clarifies ammunition compatibility, explains how chamber and throat dimensions affect accuracy and velocity, and discusses the trade-offs between the two for different shooting applications. The information is presented with an authoritative tone, drawing on practical experience with various firearms and ammunition.

This entry details the significant evolution of the AR-15 platform over approximately 15 years, as explained by an experienced firearm enthusiast. Key changes include the widespread adoption of M-LOK aluminum handguards over older plastic or quad rail systems, the transition to low-profile gas blocks and mid-length gas systems, and variations in barrel twist rates. Consumer demand has been a primary driver of these improvements, leading to better value and features in modern AR-15s.

This guide outlines six recommended firearms for prepper and survival scenarios, emphasizing versatility, reliability, and specific use cases. The Ruger 10/22 is highlighted for its abundant ammunition and portability, while the Glock 19 Gen 5 offers proven reliability. For those in ban states, the Henry Big Boy X lever-action is suggested. Compactness is addressed with the Kel-Tec SUB2000 folding carbine, and the Chiappa Double Badger provides a dual-caliber option for hunting. Finally, the Daniel Defense DDM4 V7 is presented as a high-quality AR-15 platform.

This entry details the background of John Lovell, an Army Ranger with extensive combat experience in Afghanistan and Iraq. He is the author of 'The Warrior Poet Way' and a prominent firearms trainer and speaker through the Warrior Poet Society. Lovell's expertise is highlighted by his military service and his role as an educator in the firearms community.

Retired Green Beret Sergeant Major Kyle Lamb shares his top five favorite firearms from his extensive career. The list spans iconic historical rifles to modern, versatile platforms, highlighting reliability, combat effectiveness, and personal preference. Lamb emphasizes the AR-15 as the most effective modern rifle due to its modularity and adaptability.

This video showcases advanced firearms training conducted by GBRS Group, featuring operators in full tactical gear. It highlights dynamic entry drills, close-quarters battle, pistol marksmanship, and carbine shooting techniques. The training emphasizes proficiency in various environments, including low-light conditions with night vision, and covers tactical movement, room clearing, and pre-operational briefings. The content demonstrates a high level of expertise and professionalism in tactical firearms instruction.

This short explains the meaning of the 'П' marking on Kalashnikov rifles, which signifies the 'Postoyannaya' or battle sight zero. The zero distance varies by caliber: 300 meters for 7.62x39mm (like the AK-103) and 400 meters for 5.45x39mm variants (AK-74, AK-105, AK-12). The AKS-74U 'Krink' has a 200-meter battle sight zero.

The Ruger Mark IV Tactical .22LR is presented as an excellent suppressor host, featuring a traditional grip and a 4.4-inch bull barrel that keeps rounds subsonic for quiet operation. Its single-button takedown mechanism allows for rapid cleaning in under 54 seconds, a significant improvement over older models. The pistol offers good accuracy at 15 yards and is compared favorably to competitors in its $400-$500 price range for build quality and reliability.

This video tests the practical accuracy of a Kar98k sniper rifle with a ZF39 scope out to 1,100 yards. Despite its age and limitations, the rifle proved capable of hitting targets at extreme ranges with proper technique. The discussion highlights historical German sniper programs and the use of reticle holdovers for ranging and aiming.

This review details a practical accuracy test of the M21 SWS, a sniper variant of the M14 rifle, chambered in .308 Winchester. The test engaged targets from 150 to 800 yards under challenging environmental conditions. Despite a mechanical jam and shooter error, the rifle achieved a 32 out of 40 hit ratio, demonstrating its capability at extended ranges.