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 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). May 31, 2010 Back in September (2009), DefenseReview (DR) published a short piece on the …

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). April 18, 2010 While DefenseReview was at the Remington Defense / Remington Military Products Division …

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 Photo Credit(s): Remington Military June 23, 2009 DefenseReview has been following the SOCOM (USSOCOM) Precision Sniper Rifle (PSR) program since we came across a solicitation/sources sought notice and accompanying drafts for it awhile back. The PSR requirement is for a modular, multi-caliber bolt-action rifle that’s “caliber-specific to .338 Lapua Magnum (.338LM, also …

By David Crane defrev at gmail dot com November 10, 2008 On November 3, 2008, the U.S. Marine Corps (USMC) issued a Sources Sought Notice for a "Semi-Automatic Precision Weapon System" (SAPWS) (Solicitation Number: M6785408R1011), i.e. a semi-auto sniper rifle, capable of firing the 7.62x51mm NATO (7.62mm NATO) M118 Long Range (LR) Cartridge. The SAPWS, which would essentially be the …

By Charlie Cutshaw For those of you who may have been on another planet for the past three or four years, our troops in Iraq and Afghanistan are having serious reliability issues with the M16 rifle and M4 Carbine, especially the latter. The basic problems with the M16 and M4 are nothing new. M16 reliability issues date to the mid-1960s …