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Tag Archives: sig 556

Remington Military R-4 Gas Piston Carbine (GPC) Tactical AR Carbine with Proprietary Monolithic Rail System (Pics!)

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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). April 18, 2010 While DefenseReview was at the Remington Defense / Remington Military Products Division ... Read More »

Grauer Systems Integrated Grip Rail System (IGRS) Extended Ramped and Flared Magwell / Vertical Foregrip

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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). April 15, 2010 A company called Grauer Systems showed an interesting AR-15 rifle/carbine accessory called ... Read More »

Future Iranian (Bladerunner 51/Bradstone Challenger Copy) Speedboat Swarms vs. U.S. Navy Aircraft Carriers: Van Riper Redux?

By David Crane defrev (at) gmail (dot) com April 7, 2010 Updated 4/09/10 Looks like nuclear weapons aren’t the only thing the Iranian government is after. Apparently, they’ve also got a penchant for speedboats, specifically high-tech, very expensive speedboats. Multiple news sources are reporting that the Iranians have surreptitiously acquired a “James Bond-style” fast mover called the Bladerunner 51 / Bradstone ... Read More »

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

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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 »

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

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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 ... 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 »

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 ... Read More »

JP LRP-07 Long Range Precision Rifle 7.62mm with Left-Side Charging System

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". March 19, 2009 John Paul, owner of ... Read More »