Tag Archives: colt m4 carbine

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 …

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Colt Defense Launches Colt Tactical Carbines/Rifles for Civilian Tactical Shooters at SHOT Show 2010: Tactical Guns Accessorized for Intensive Tactical Training

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 2, 2010 Colt Defense just introduced its new Colt Tactical line of semi-auto-only tactical …

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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 …

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AR-15/M4/M4A1 Carbine Reliability Issues: Why They Occur, and Why They’re Our Fault!

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, …

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DefRev Photo Analysis: U.S. Secret Service PPD CAT Operator Tactical Hardware

By David Crane defrev at gmail dot com November 24, 2008 Updated on May 6, 2009 Ever since he won the presidential election, the press has been following President-Elect Barack Obama around Chicago like a bunch of hungry (and annoying) puppies. Whether he’s going to his transition office in the Kluczynski Federal Building in the Loop (dowtown Chicago professional district, …

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Colt ACC-M (Advanced Colt Carbine-Monolithic): 21st Century M4/M4A1 Carbine

By David Crane defrev at gmail dot com November 4, 2008 So far, DefenseReview has covered the Colt SCW (Sub-Compact Weapon), Colt APC (Advanced Piston Carbine) and Colt AHC (Advanced Hybrid Carbine), but those aren’t the only newly-developed weapons in Colt Defense’s bag of tricks. If you’re interested in an upgraded/modernized version of the standard, direct-gas-impingement (DGI) Colt M4A1 Carbine, …

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