By David Crane defrev (at) gmail (dot) com June 8, 2010 And, speaking of enhanced-capacity 5.56x45mm NATO (5.56mm NATO)/.223 Rem. 4179 STANAG AR (AR-15) magazines, MagPul Industries has just filed a patent application (#: 20100126053) for a quad stack 4×2 AR mag. Here’s how The Firearm Blog describes the magazine’s operation: The design is quite straight forward. A central partition …

By David Crane defrev (at) gmail (dot) com June 8, 2010 Armatac Industries just sent us a link to their video on the new SAW-MAG (also written SAWMAG) 150-shot double-drum mag (magazine), which represents an evolutionary improvement over their CL-MAG. The SAWMAG is billed as the “ultimate feed device” and “the solution” for the Marines’ HK M27 IAR (Infantry Automatic …

By David Crane defrev (at) gmail (dot) com May 23 2010 On May 18, 2010, The Firearm Blog reported on yet another company developing yet another gas piston/op-rod AR (AR-15) rifle/carbine/SBR (Short Barreled Rifle) platform. The company is Holland Automatic Rifles (HAR). The piston/op-rod (operating rod) system is a tri-vent/progressive-vent, vectored-exhaust, recoil-attenuating/mitigating system that, according to “John” at HAR, requires …

By Mike Pannone Info@CTT-Solutions.com All photos contained in this article were taken by Mike Pannone for DefenseReview.com, and are copyrighted. Mike Pannone and DefenseReview.com own the copyright on these photos. March 19, 2010 Here’s my question for those that subscribe to the direct impingement fouling concept: I fired 2400 rounds of M193 through a 14.5” M4-type upper receiver from Bravo …

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 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 15, 2010 We here at DefenseReview make no secret of being big fans of …

By David Crane defrev (at) gmail (dot) com On January 22, 2010, during the last day of SHOT Show 2010, coincidentally, the U.S. Army Contracting Command (ACC), Joint Munitions and Lethality (JM&L) Contracting Center issued a Sources Sought Notice/Solicitation for “market survey” for a drop-in Commercial-Off-The-Shelf (COTS)/Non-Developmental Item (NDI) “modification kit” (i.e. performance upgrade kit) for “improvements to the M4 …

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 4, 2010 After last year’s SHOT Show (2009), DefenseReview published information on the Primary …

By David Crane defrev (at) gmail (dot) com December 31, 2009 Since we just published a heads-up piece on the CzechPoint/CZ vz. 58 7.62x39mm Russian caliber semi-auto tactical rifle/carbine for the civilian tactical shooting market, we might as well touch on the next-gen Czech Republic army’s assault rifle/carbine–and the military (select-fire/full-auto) vz. 58’s replacement–the CZ S805 assault rifle/carbine, which was …

By David Crane defrev (at) gmail (dot) com December 17, 2009 On December 4th, 2009, DefenseReview published an article on the HK IAR (Infantry Automatic Rifle) candidate–a modified HK416 5.56mm assault rifle/carbine/SBR–winning a U.S. Marine Corps IAR contract. In that piece, I tried to make the point that it’s a good idea to give warfighters a carbine/SBR with machine gun-level …