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Tag Archives: special operations

The Big M4 Myth: ‘Fouling caused by the direct impingement gas system makes the M4/M4A1 Carbine unreliable.’

Mike_Pannone_BCM_M4_Upper_Receiver_1

By Mike Pannone [email protected] 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 ... Read More »

Grip Pod System (GPS02 Military Model) Gets Independently-Extendable Legs!

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 ... Read More »

U.S. Army Issues Sources Sought Notice/Solicitation for “Market Survey” for M4 Carbine “Modification Kit”/Performance Upgrade Kit

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 ... Read More »

PWS Diablo 7.62x39mm Russian: 7″-Barreled Long-Stroke Gas Piston/Op-Rod AR (AR-15) SBR/Complete Upper Receiver Assembly

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 ... Read More »

Remington ACR (Adaptive Combat Rifle) “Leaked” Promotional Video Demonstrates Weapon in a 21st-Century Combat Environment: MagPul Masada Rifle/Carbine Finally Making it to Market?

By David Crane defrev (at) gmail (dot) com January 4, 2010 This is our first story of the new year (2010). DefenseReview has received a link to the “leaked” Remington ACR (Adaptive Combat Rifle) promotional/demo video (demonstration video) below that we presume Remington has actually released on purpose in calculated fashion (just a guess), pre-SHOT Show 2010. The video would ... Read More »

Czech Republic CZ S805 Assault Rifle/Carbine: FN MK16 SCAR-L Meets HK G36. Civilian-Legal, Semi-Auto Version on the Way? And, if so, is it worth getting excited about?

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 ... Read More »

DefRev Clarification: Our Position on the USMC Infantry Automatic Rifle (IAR) Concept, and Alternative Sustained-Full-Auto AR Carbine/Rifle Options

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 ... Read More »

South Korea to Field First Man-Portable Airburst Grenade Launcher Weapon for Mobile Infantry: Meet the Daewoo K11 20mm/5.56mm Dual-Caliber Airburst Weapon

By David Crane defrev (at) gmail (dot) com December 15, 2009 Now, this is interesting. “The Korea Times” is reporting that some of the 350 South Korean troops deploying to Afghanistan (to protect 120 South Korean civilian reconstruction workers) will be armed with the Daewoo K11 semi-auto, mag-fed 20mm grenade launcher/select-fire 5.56x45mm NATO (5.56mm NATO) assault rifle a.k.a. airburst assault ... Read More »