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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 ... Read More »

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 ... 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 »

Daniel Defense LITE and Omega-X Rail Systems for Tactical AR-15 Carbines/Rifles

By Mike Chung July 14, 2009 As a long time black rifle enthusiast, I’ve bought and tried out many AR-15 related products for my own consumption. With the recently increased interest in the AR-15 rifle/carbine platform, dozens of “accessory” companies have sprouted. Anyone that’s into quality knows that a good chunk of these items on the market are junk, but ... Read More »

M4/M4A1 Carbine Reliability Issues Part II: Diagnosing the root cause.

By Michael Pannone This article is the follow-up to the author’s first article on the subject, titled "M4/M4A1 Carbine Reliability Issues: Why They Occur, and Why They’re Our Fault!". March 15, 2009 If your Explorer gets a flat does that mean "Fords are unreliable"? If you put bad fuel in your Tundra does that mean "Toyotas run crappy"? Stay with ... Read More »

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, ... Read More »

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, ... Read More »

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, ... Read More »