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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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Artis Iron Curtain Active Protection System (APS): Shoot-Down Ballistic Reactive Ground Vehicle Defense System

By David Crane defrev (at) gmail (dot) com A company called Artis, LLC has developed an anti-RPG (Rocket-Propelled Grenade) ground vehicle defense system called the Iron Curtain Active Protection System (APS) that integrates C-band radar, a distributed optical sensor, and a ring of ballistic countermeasures to neutralize incoming RPGs. Here’s how it works: Iron Curtain’s C-band radar detects and tracks …

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Daniel Defense DDM4 Tactical AR-15 Carbine with DD Omega-X 12.0 FSP Extended Rail System

By David Crane defrev (at) gmail (dot) com August 6, 2009 Daniel Defense, Inc. (DD) out of Black Creek, Georgia (GA) is now making complete AR-15 tactical carbines. The first DD tactical AR carbine being introduced is the Daniel Defense M4 (DDM4) Carbine 5.56x45mm NATO (5.56mm NATO)/.223 Rem. AR-15 tactical carbine. DefenseReview got a chance to view and handle the …

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Remington Modular Sniper Rifle (MSR) Competes for SOCOM Precision Sniper Rifle (PSR) Contract

By David Crane defrev (at) gmail (dot) com Photo Credit(s): Remington Military June 23, 2009 DefenseReview has been following the SOCOM (USSOCOM) Precision Sniper Rifle (PSR) program since we came across a solicitation/sources sought notice and accompanying drafts for it awhile back. The PSR requirement is for a modular, multi-caliber bolt-action rifle that’s “caliber-specific to .338 Lapua Magnum (.338LM, also …

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Will Future U.S. Military Submarines Be Invisible to Enemy Sonar Detection?: Enter Acoustic Metamaterial Cloaking Tech

By David Crane defrev (at) gmail (dot) com June 16, 2009 It looks like the whole metamaterial/negative-index material movement just got another shot in the arm with the development of an "acoustic metamaterial lens" that can theoretically create an acoustic/sonic "invisibility cloak" a.k.a. "cloak of silence" capable of hiding military submarines from enemy detection. DefenseReview first reported on metamaterials a.k.a. negative-index …

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