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Tag Archives: hammer

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

Next_Generation_Arms_(NGA)_Carbines_and_Addax_Tactical_Upper_Receiver_20

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 »

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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 ... Read More »

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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 ... Read More »

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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 ... Read More »

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U.S. Marine Corps Selects Heckler & Koch Infantry Automatic Rifle (HK IAR) Candidate as Replacement for FN M249 SAW/LMG

By David Crane defrev (at) gmail (dot) com December 4, 2009 Updated on 12/15/09 Marine Times (a.k.a. Marine Corps Times) is reporting on the U.S. Marine Corps (USMC) selecting the Heckler & Koch Infantry Automatic Rifle–or HK IAR, for short–to replace the FN M249 SAW/LMG (Squad Automatic Weapon/Light Machine Gun). The HK IAR is a 5.56x45mm NATO (5.56mm NATO) gas ... Read More »

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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 ... Read More »

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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 ... Read More »

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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 ... Read More »

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Ruger SR-556 Gas Piston/Op-Rod AR Carbine User Feedback: Case Extraction Problem and Solution.

By David Crane defrev (at) gmail (dot) com August 26, 2009 Back on June 7, 2009, DefenseReview published a heads-up piece on the new Ruger SR-556 gas piston/op-rod AR-15 tactical carbine. In that piece I wrote this: “One of the things were going to investigate is whether or not the SR556 is completely debugged, or whether it has the normal/usual ... Read More »

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An Operator’s View of M4/M4A1 Carbine (and Tactical AR-15 Carbine) Malfunctions

By Mike Pannone June 15, 2009 In the early months of 2006 while I was helping to write and refine the curriculum of the Asymmetric Warfare Group’s Combat Applications Training Course (CATC) I took it upon myself to research performance enhancements and reliability upgrades as an integral part of educating the soldier on how to maximize his M4/M4A1 carbine. The ... Read More »

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