By Jeff Gurwitch All photo and video content contained in this article is copyrighted. Jeff Gurwitch and DefenseReview.com own the copyright on all photo and video content.  The following article is property of DefenseReview.com (DR) and Jeff Gurwitch (author), and is copyrighted material. If you are reading this article on another website other than DefenseReview.com, please email us the website address/URL (where …

By Jason Borges All photo and video content contained in this article is copyrighted. Jason Borges and DefenseReview.com own the copyright on all photo and video content.  The following article is property of DefenseReview.com (DR) and Jason Borges (author), and is copyrighted material. If you are reading this article on another website other than DefenseReview.com, please email us the website address/URL …

By David Crane defrev (at) gmail (dot) com November 2, 2011 The human body is supposedy 55%-75% water by weight, depending on whether it's male or female, fat or thin, and how old it is. Regardless, there's a lot of water in us, and this water, along with the requisite electrolytes, must be constantly replenished due to secretion (persperation/sweating), excretion …

By David Crane defrev (at) gmail (dot) com All photos contained in this article were taken by DefenseReview.com, and are copyrighted. DefenseReview.com owns the copyright on these photos. The photos were shot with a Canon PowerShot S90 10-megapixel digital camera (still camera with video capability). February 23, 2010 DefenseReview plans to run two custom-built tactical AR carbines (AR-15 carbines) through …

By Mike Pannone June 15, 2009 In the early months of 2006 while I was helping to write and refine the curriculum of the Asymmetric Warfare Group’s Combat Applications Training Course (CATC) I took it upon myself to research performance enhancements and reliability upgrades as an integral part of educating the soldier on how to maximize his M4/M4A1 carbine. The …

By Michael Pannone This article is the follow-up to the author’s first article on the subject, titled "M4/M4A1 Carbine Reliability Issues: Why They Occur, and Why They’re Our Fault!". March 15, 2009 If your Explorer gets a flat does that mean "Fords are unreliable"? If you put bad fuel in your Tundra does that mean "Toyotas run crappy"? Stay with …

By David Crane defrev at gmail dot com December 30, 2008 As long was we’re on an M4/M4A1 Carbine (and semi-auto tactical AR-15 carbine) and 4179 STANAG box magazine kick, we might as well cover the Lancer Systems L5 Translucent Magazine (30-round 5.56mm NATO polymer magazine) in a little bit more detail, particularly since it’s already been mentioned in previous …

By David Crane defrev at gmail dot com December 29, 2008 If you’re looking for an alternative to standard USGI 30-round AR-15/M16 magazines, but you’d prefer to stick with metal mags instead of going polymer with the MagPul PMAG, TangoDown ARC mag, or Lancer Systems L5 Translucent Polymer Mag for your tactical AR-15 carbine, Fusil-USA, LLC has just the thing …

Why M4's have reliability issues…and why it's our fault! By Michael Pannone December 24, 2008 I fired 15,000 rounds through a semi-automatic M4/M4A1-type direct-gas-impingement (DGI) carbine in 31 weeks without a single malfunction attributable to anything except bad ammunition or bad magazines, with a grand total of 9 malfunctions. The least number of rounds fired between cleanings was 960 rounds, …