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Tag Archives: m16

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, ... Read More »

TangoDown ARC Polymer 30-round Magazine for Tactical AR-15 Carbines and SBRs

By David Crane defrev at gmail dot com December 17, 2008 DefenseReview has been using TangoDown "Rail Grip" polymer rail covers (a.k.a. rail panels), "BattleGrip" vertical foregrips and "Rifle Grip" pistol grips (for rifles) on tactical AR-15 carbines and subcarbine/SBRs (Short Barreled Rifles) for quite awhile, now. These products have always performed well, and we’ve been satisfied with them. TangoDown’s ... Read More »

DefRev Photo Analysis: U.S. Secret Service PPD CAT Operator Tactical Hardware

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, ... Read More »

Noveske Rifleworks N4 Light Recce Carbine: John Noveske Interview, Part One

By David Crane defrev at gmail dot com The following is Part One of the transcript from a phone interview that David Crane, owner/editor-in-chief of DefenseReview, conducted with John Noveske of Noveske Rifleworks, LLC a number of months ago about his gun builds (tactical AR rifle builds a.k.a. tactical AR-15 rifle builds, specifically). We would have published it sooner, but ... Read More »

AR Five Seven (AR-57): 50-Shot 5.7x28mm AR-15 Carbine

By David Crane defrev at gmail dot com August 11, 2008 An outfit called 57 Center is making an interesting patent-pending 5.7x28mm upper receiver for AR-15/M16 lower receivers called the AR Five Seven (AR-57) that utilizes 50-round FN P90/PS90 PDW magazines. The magazines are top-loaded and horizontal-mounted, just like on the P90/PS90. It would appear that that an emptied-out standard ... Read More »

Stag Arms 6.8mm SPC Tactical Carbine with Samson STAR-C Tactical Rail

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 ... Read More »

6.8x45mm Kramer Urban Combat Cartridge (UCC) for Urban Warfare Ops

By David Crane defrev at gmail dot com DefenseReview has covered the 6.8 SPC (a.k.a. 6.8 Remington SPC a.k.a. 6.8x43mm SPC a.k.a. 6.8mm Remington SPC a.k.a. 6.8mm SPC) round for quite some time now. We’re a proponent of the cartridge, due to its superior efficacy over 5.56x45mm NATO (5.56mm NATO)/.223 Rem. within its (6.8 SPC) operational envelope of 400-500 yards, ... Read More »