Tag Archives: colt m4

A Tale of Two Custom Mid-Length AR Carbines: The Frankengun (Frankencarbine) Project

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 23, 2010 DefenseReview plans to run two custom-built tactical AR carbines (AR-15 carbines) through …

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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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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 …

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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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New VBR-B Multi-Caliber (9mm NATO/7.92x24mm) Compact PDW Pistol: Most Intelligently-Developed Personal Defense Weapon Yet?

By David Crane defrev (at) gmail (dot) com November 23, 2009 A company called VBR-Belgium (Van Bruaene Rik – Belgium) has developed a rather interesting and potentially important pistol-format compact PDW (Personal Defense Weapon) system. While it may look like a futuristic movie prop, the VBR-B Compact PDW is arguably the most intelligently-developed PDW weapon/ammo concept to date. So, what’s …

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Video: Colt M4/M4A1 Carbine Config Sand Test with FailZero “AR-15 Upgrade Kit” Bolt Carrier Group (BCG) and Hammer Upgrade Kit Installed

By David Crane defrev (at) gmail (dot) com November 10, 2009 Back in April (2009), DefenseReview has published a short “heads-up”-style article on the FailZero AR-15 Basic Kit, which is a bolt carrier group (BCG) and hammer upgrade kit with a proprietary and patented self-lubricitous/self-lubricating nickel-boron (Ni-B) coating that the company calls EXO Technology. In the video below, DefenseReview.com contributor …

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SIG SAUER SIG516 Short-Stroke Gas Piston/Op-Rod Tactical AR (AR-15) Weapons Series

By David Crane defrev (at) gmail (dot) com September 21, 2009 Updated May 31, 2010 Back in June, DefenseReview published an article on the Ruger SR-556 piston AR. Well, it’s now official: Everyone AND their mother is now making short-stroke gas piston/op-rod AR (AR-15) carbines and SBRs (Short Barreled Rifles). SIG SAUER has just entered the game with their SIG516 …

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