Search Results for: colt civilian rifle

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

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 …

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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 …

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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 …

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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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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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LMT MRP Piston/Op-Rod System vs. HK416: 2,000-Round Head-to-Head Test

By Chen Lee a.k.a. “SMGLee” All photographic images contained in this article were taken by Chen Lee, and are the exclusive property of Chen Lee. Chen Lee owns the copyright on these photos. February 16, 2009 Following the success of British SA80A2 project that HK did for British MoD, HK carried that momentum to the AR-15/M16 platform as the next …

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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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