By David Crane defrev (at) gmail (dot) com October 1, 2009 What do you get when you combine a (wheeled) manpackable mini-UGV (Unmanned Ground Vehicle) / ground robot with a flee-type (or grasshopper-type) jumping capability? You get the Precision Urban Hopper (PUH) jumping UGV. The Precision Urban Hopper, brought to you by the friendly folks at Sandia National Laboratories (SNL) …

By David Crane defrev (at) gmail (dot) com July 27, 2009 On July 7, 2009, Army Times published an article by Matt Cox (Matthew Cox) titled Army acquires rights to M4. It’s an interesting piece on the Colt M4 Carbine (Colt M4/M4A1 Carbine).  However, according to one of DefenseReview’s contacts at Colt Defense, Cox’s article is…how can I put this …

By David Crane defrev (at) gmail (dot) com Pictured Below: FERFRANS SOAR Gas Piston/Op-Rod SBR

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 2, 2009 DefenseReview has been publishing …

By David Crane defrev at gmail dot com December 30, 2008 As long was we’re on an M4/M4A1 Carbine (and semi-auto tactical AR-15 carbine) and 4179 STANAG box magazine kick, we might as well cover the Lancer Systems L5 Translucent Magazine (30-round 5.56mm NATO polymer magazine) in a little bit more detail, particularly since it’s already been mentioned in previous …

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, …

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, …

By David Crane defrev at gmail dot com August 20, 2008 The recent dust-up in Georgia between Russian and Geogian forces, i.e. the Russian invasion of Georgia, has reinvigorated expensive, high-tech conventional-warfare/Cold-War-type weapons like the Lockheed Martin/Boeing F-22 Raptor low-observable/stealth fighter aircraft a.k.a. F/A-22 Raptor air-to-air (air-superiority fighter)/ground attack aircraft. The F-22, in particular has been receiving a lot of …

By David Crane defrev at gmail dot com August 14, 2008 A couple of brothers—twins, actually—out of North Brunswick, Maine, Geoffrey and Michael Howe of Howe and Howe Technologies Inc., have developed a relatively large tracked tactical UGV (Unmanned Ground Vehicle) for military applications called the Ripsaw Military Spec 1 UGV (a.k.a. Ripsaw MS1 UGV a.k.a. Rip Saw MS1 UGV). …

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com at SHOT Show 2008, and they are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. July 27, 2008 DefenseReview has been been writing about 6.8mm cartridges, lately, so it’s only appropriate that we mention Charlie Cutshaw’s article …