By David Crane defrev (at) gmail (dot) com July 9, 2010 For quite some time, now, DefenseReview (DR) has been publishing information on just how reliable the direct-gas-impingement (DGI) select-fire Colt M4/M4A1 Carbine/SBR (Short Barreled Rifle) and semi-auto AR-15 carbine/SBR can be if they’re properly set up/sprung and lubricated (and even if they’re not properly lubricated). We have retired U.S. …

By David Crane defrev (at) gmail (dot) com June 30, 2010 DefenseReview (DR) got to see the latest Smith & Wesson (S&W) M&P tactical AR (AR-15) rifles/carbine/sBRs developed for Special Operations Forces (SOF) at SOFIC 2010 (Special Operations Forces Industry Conference 2010. The new guns incorporate ambidextrous controls and advanced coatings. It’s possible that the weapons we saw could be …

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 June 2, 2010 In their ongoing efforts to upgrade/improve and/or replace the Colt SOPMOD M4/M4A1 Carbine with the “Next Carbine”, the U.S. Army Contracting Command just issued a sources sought notice/solicitation (Solicitation Number: W15QKN-10-X-0455) on May 27, 2010 requesting information on potential weapon capabilities for an “Individual Carbine” as part of a “market …

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 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 …

by David Crane defrev at gmail.com December 17, 2007 This article was updated on 12/19/07 and 5/15/09. Ya’ know that Colt M4 Carbine vs. Heckler & Koch (HK) HK416 vs. FN MK16 SCAR-Light (SCAR-L) vs. HK XM8 LAR extreme dust conditions reliability test that the U.S. Army Test and Evaluation Center (ATEC) at Aberdeen Proving Ground (APG), Md. was conducting? …